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Finding the Fourth Proportional to 667,234.50, 998,340.57 and 467,943.90

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Solution

The fourth proportional to 667,234.50, 998,340.57 and 467,943.90 is: 700,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,234.50 : 998,340.57 = 467,943.90 : x
  2. Step 2: Convert to fraction form
    667,234.50/998,340.57 = 467,943.90/x
  3. Step 3: Cross multiply
    667,234.50x = 998,340.57 × 467,943.90
  4. Step 4: Simplify right side
    667,234.50x = 467,167,379,854.02
  5. Step 5: Solve for x
    x = 467,167,379,854.02/667,234.50
  6. Step 6: Final answer
    x = 700,154.71

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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.