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Finding the Fourth Proportional to 502,553.31, 753,922.32 and 165,613.83

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Solution

The fourth proportional to 502,553.31, 753,922.32 and 165,613.83 is: 248,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,553.31 : 753,922.32 = 165,613.83 : x
  2. Step 2: Convert to fraction form
    502,553.31/753,922.32 = 165,613.83/x
  3. Step 3: Cross multiply
    502,553.31x = 753,922.32 × 165,613.83
  4. Step 4: Simplify right side
    502,553.31x = 124,859,962,937.69
  5. Step 5: Solve for x
    x = 124,859,962,937.69/502,553.31
  6. Step 6: Final answer
    x = 248,451.18

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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.