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Finding the Fourth Proportional to 439,098.24, 658,686.24 and 123,557.88

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Solution

The fourth proportional to 439,098.24, 658,686.24 and 123,557.88 is: 185,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,098.24 : 658,686.24 = 123,557.88 : x
  2. Step 2: Convert to fraction form
    439,098.24/658,686.24 = 123,557.88/x
  3. Step 3: Cross multiply
    439,098.24x = 658,686.24 × 123,557.88
  4. Step 4: Simplify right side
    439,098.24x = 81,385,875,399.57
  5. Step 5: Solve for x
    x = 81,385,875,399.57/439,098.24
  6. Step 6: Final answer
    x = 185,347.76

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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.