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Finding the Fourth Proportional to 534,908.67, 738,249.57 and 331,025.27

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Solution

The fourth proportional to 534,908.67, 738,249.57 and 331,025.27 is: 456,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,908.67 : 738,249.57 = 331,025.27 : x
  2. Step 2: Convert to fraction form
    534,908.67/738,249.57 = 331,025.27/x
  3. Step 3: Cross multiply
    534,908.67x = 738,249.57 × 331,025.27
  4. Step 4: Simplify right side
    534,908.67x = 244,379,259,545.39
  5. Step 5: Solve for x
    x = 244,379,259,545.39/534,908.67
  6. Step 6: Final answer
    x = 456,861.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.