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Finding the Fourth Proportional to 655,176.29, 904,073.69 and 368,691.71

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Solution

The fourth proportional to 655,176.29, 904,073.69 and 368,691.71 is: 508,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,176.29 : 904,073.69 = 368,691.71 : x
  2. Step 2: Convert to fraction form
    655,176.29/904,073.69 = 368,691.71/x
  3. Step 3: Cross multiply
    655,176.29x = 904,073.69 × 368,691.71
  4. Step 4: Simplify right side
    655,176.29x = 333,324,472,888.65
  5. Step 5: Solve for x
    x = 333,324,472,888.65/655,176.29
  6. Step 6: Final answer
    x = 508,755.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.