Final answer:
To find the number that 450 is 75.2% of, you divide 450 by 0.752, resulting in approximately 598 after rounding to the nearest whole number.
Step-by-step explanation:
To find out what number 450 is 75.2% of, we need to set up a simple algebraic equation. If we call the desired number 'X', then the equation is 0.752 × X = 450. To solve for X, we would divide both sides of the equation by 0.752. Doing the calculation, we get X = 450 / 0.752, which simplifies to X = 598.404. Rounding to the nearest whole number, since the percentage has three significant figures, we get X ≈ 598 as our answer.