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Finding the Fourth Proportional to 542,601.60, 813,902.40 and 482,467.20

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Solution

The fourth proportional to 542,601.60, 813,902.40 and 482,467.20 is: 723,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,601.60 : 813,902.40 = 482,467.20 : x
  2. Step 2: Convert to fraction form
    542,601.60/813,902.40 = 482,467.20/x
  3. Step 3: Cross multiply
    542,601.60x = 813,902.40 × 482,467.20
  4. Step 4: Simplify right side
    542,601.60x = 392,681,212,001.28
  5. Step 5: Solve for x
    x = 392,681,212,001.28/542,601.60
  6. Step 6: Final answer
    x = 723,700.80

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Similar ratio
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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.