Final answer:
The female participation rate in the 2004 Summer Olympic Games was not specified by the International Olympic Committee.
Step-by-step explanation:
The female participation rate in the 2004 Summer Olympic Games, according to the International Olympic Committee, was not specified. The International Olympic Committee does not provide specific data on the gender breakdown of participation rates for each individual Olympic Games. However, in general, the International Olympic Committee aims for gender equality and encourages the participation of both male and female athletes in the Olympic Games.