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Finding the Fourth Proportional to 542,500.53, 813,795.17 and 272,489.83

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Solution

The fourth proportional to 542,500.53, 813,795.17 and 272,489.83 is: 408,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,500.53 : 813,795.17 = 272,489.83 : x
  2. Step 2: Convert to fraction form
    542,500.53/813,795.17 = 272,489.83/x
  3. Step 3: Cross multiply
    542,500.53x = 813,795.17 × 272,489.83
  4. Step 4: Simplify right side
    542,500.53x = 221,750,907,528.12
  5. Step 5: Solve for x
    x = 221,750,907,528.12/542,500.53
  6. Step 6: Final answer
    x = 408,757.03

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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.