Finding the Fourth Proportional to 576,207.20, 862,755.60 and 576,207.20
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Solution
The fourth proportional to 576,207.20, 862,755.60 and 576,207.20 is: 862,755.60
Step by Step Solution
- Step 1: Write the proportion equation
576,207.20 : 862,755.60 = 576,207.20 : x - Step 2: Convert to fraction form
576,207.20/862,755.60 = 576,207.20/x - Step 3: Cross multiply
576,207.20x = 862,755.60 × 576,207.20 - Step 4: Simplify right side
576,207.20x = 497,125,988,560.32 - Step 5: Solve for x
x = 497,125,988,560.32/576,207.20 - Step 6: Final answer
x = 862,755.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.