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Finding the Fourth Proportional to 522,819.01, 784,294.19 and 167,737.69

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Solution

The fourth proportional to 522,819.01, 784,294.19 and 167,737.69 is: 251,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,819.01 : 784,294.19 = 167,737.69 : x
  2. Step 2: Convert to fraction form
    522,819.01/784,294.19 = 167,737.69/x
  3. Step 3: Cross multiply
    522,819.01x = 784,294.19 × 167,737.69
  4. Step 4: Simplify right side
    522,819.01x = 131,555,695,711.02
  5. Step 5: Solve for x
    x = 131,555,695,711.02/522,819.01
  6. Step 6: Final answer
    x = 251,627.61

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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.