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Finding the Fourth Proportional to 224,906.40, 337,305.60 and 129,931.20

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Solution

The fourth proportional to 224,906.40, 337,305.60 and 129,931.20 is: 194,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,906.40 : 337,305.60 = 129,931.20 : x
  2. Step 2: Convert to fraction form
    224,906.40/337,305.60 = 129,931.20/x
  3. Step 3: Cross multiply
    224,906.40x = 337,305.60 × 129,931.20
  4. Step 4: Simplify right side
    224,906.40x = 43,826,521,374.72
  5. Step 5: Solve for x
    x = 43,826,521,374.72/224,906.40
  6. Step 6: Final answer
    x = 194,865.60

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1.5x scale

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.