Answer:
549.78 miles
Explanation:
250m / 1.7ft = ~147 miles/ft
147 * 3.74 = 549.78
You have to apply a proportion:
250 : 1.7 = x : 3.74
250 × 3.74 = 1.7 × X
X = 250×3.74 / 1.7 = 550
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