When Deion was born, his grandfather gave him a 7.5-gram gold coin as a present. Today, Deion read in the newspaper that a gram of gold is worth $50.04. How much money is the gold coin worth?

The weight of the gold coin is 7.5 grams and a gram of gold is worth $50.04. So, the gold coin is worth 7.5 x $50.04 = $<<7.5*50.04=375.3>>375.3. Answer: \boxed{375.3}.