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Finding the Fourth Proportional to 332,121.70, 498,182.55 and 132,472.90

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Solution

The fourth proportional to 332,121.70, 498,182.55 and 132,472.90 is: 198,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,121.70 : 498,182.55 = 132,472.90 : x
  2. Step 2: Convert to fraction form
    332,121.70/498,182.55 = 132,472.90/x
  3. Step 3: Cross multiply
    332,121.70x = 498,182.55 × 132,472.90
  4. Step 4: Simplify right side
    332,121.70x = 65,995,687,127.90
  5. Step 5: Solve for x
    x = 65,995,687,127.90/332,121.70
  6. Step 6: Final answer
    x = 198,709.35

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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.