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Finding the Fourth Proportional to 541,098.20, 746,575.41 and 323,217.72

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Solution

The fourth proportional to 541,098.20, 746,575.41 and 323,217.72 is: 445,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,098.20 : 746,575.41 = 323,217.72 : x
  2. Step 2: Convert to fraction form
    541,098.20/746,575.41 = 323,217.72/x
  3. Step 3: Cross multiply
    541,098.20x = 746,575.41 × 323,217.72
  4. Step 4: Simplify right side
    541,098.20x = 241,306,398,213.44
  5. Step 5: Solve for x
    x = 241,306,398,213.44/541,098.20
  6. Step 6: Final answer
    x = 445,956.76

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.