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Finding the Fourth Proportional to 267,379.59, 400,861.21 and 132,350.49

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Solution

The fourth proportional to 267,379.59, 400,861.21 and 132,350.49 is: 198,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,379.59 : 400,861.21 = 132,350.49 : x
  2. Step 2: Convert to fraction form
    267,379.59/400,861.21 = 132,350.49/x
  3. Step 3: Cross multiply
    267,379.59x = 400,861.21 × 132,350.49
  4. Step 4: Simplify right side
    267,379.59x = 53,054,177,998.62
  5. Step 5: Solve for x
    x = 53,054,177,998.62/267,379.59
  6. Step 6: Final answer
    x = 198,422.69

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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.