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Finding the Fourth Proportional to 542,472.12, 813,697.38 and 168,494.04

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Solution

The fourth proportional to 542,472.12, 813,697.38 and 168,494.04 is: 252,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,472.12 : 813,697.38 = 168,494.04 : x
  2. Step 2: Convert to fraction form
    542,472.12/813,697.38 = 168,494.04/x
  3. Step 3: Cross multiply
    542,472.12x = 813,697.38 × 168,494.04
  4. Step 4: Simplify right side
    542,472.12x = 137,103,158,893.62
  5. Step 5: Solve for x
    x = 137,103,158,893.62/542,472.12
  6. Step 6: Final answer
    x = 252,737.71

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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.