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Finding the Fourth Proportional to 363,707.73, 501,932.18 and 202,562.78

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Solution

The fourth proportional to 363,707.73, 501,932.18 and 202,562.78 is: 279,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,707.73 : 501,932.18 = 202,562.78 : x
  2. Step 2: Convert to fraction form
    363,707.73/501,932.18 = 202,562.78/x
  3. Step 3: Cross multiply
    363,707.73x = 501,932.18 × 202,562.78
  4. Step 4: Simplify right side
    363,707.73x = 101,672,775,170.91
  5. Step 5: Solve for x
    x = 101,672,775,170.91/363,707.73
  6. Step 6: Final answer
    x = 279,545.27

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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.