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Finding the Fourth Proportional to 332,149.20, 498,223.80 and 219,956.10

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Solution

The fourth proportional to 332,149.20, 498,223.80 and 219,956.10 is: 329,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,149.20 : 498,223.80 = 219,956.10 : x
  2. Step 2: Convert to fraction form
    332,149.20/498,223.80 = 219,956.10/x
  3. Step 3: Cross multiply
    332,149.20x = 498,223.80 × 219,956.10
  4. Step 4: Simplify right side
    332,149.20x = 109,587,363,975.18
  5. Step 5: Solve for x
    x = 109,587,363,975.18/332,149.20
  6. Step 6: Final answer
    x = 329,934.15

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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.