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Finding the Fourth Proportional to 231,862.20, 347,793.30 and 225,301.20

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Solution

The fourth proportional to 231,862.20, 347,793.30 and 225,301.20 is: 337,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,862.20 : 347,793.30 = 225,301.20 : x
  2. Step 2: Convert to fraction form
    231,862.20/347,793.30 = 225,301.20/x
  3. Step 3: Cross multiply
    231,862.20x = 347,793.30 × 225,301.20
  4. Step 4: Simplify right side
    231,862.20x = 78,358,247,841.96
  5. Step 5: Solve for x
    x = 78,358,247,841.96/231,862.20
  6. Step 6: Final answer
    x = 337,951.80

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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.