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Finding the Fourth Proportional to 655,472.66, 904,553.76 and 365,081.90

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Solution

The fourth proportional to 655,472.66, 904,553.76 and 365,081.90 is: 503,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,472.66 : 904,553.76 = 365,081.90 : x
  2. Step 2: Convert to fraction form
    655,472.66/904,553.76 = 365,081.90/x
  3. Step 3: Cross multiply
    655,472.66x = 904,553.76 × 365,081.90
  4. Step 4: Simplify right side
    655,472.66x = 330,236,205,352.94
  5. Step 5: Solve for x
    x = 330,236,205,352.94/655,472.66
  6. Step 6: Final answer
    x = 503,813.85

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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.