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Finding the Fourth Proportional to 451,301.28, 676,951.92 and 229,840.80

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Solution

The fourth proportional to 451,301.28, 676,951.92 and 229,840.80 is: 344,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,301.28 : 676,951.92 = 229,840.80 : x
  2. Step 2: Convert to fraction form
    451,301.28/676,951.92 = 229,840.80/x
  3. Step 3: Cross multiply
    451,301.28x = 676,951.92 × 229,840.80
  4. Step 4: Simplify right side
    451,301.28x = 155,591,170,854.34
  5. Step 5: Solve for x
    x = 155,591,170,854.34/451,301.28
  6. Step 6: Final answer
    x = 344,761.20

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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.