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Finding the Fourth Proportional to 267,412.56, 400,910.64 and 132,383.52

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Solution

The fourth proportional to 267,412.56, 400,910.64 and 132,383.52 is: 198,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,412.56 : 400,910.64 = 132,383.52 : x
  2. Step 2: Convert to fraction form
    267,412.56/400,910.64 = 132,383.52/x
  3. Step 3: Cross multiply
    267,412.56x = 400,910.64 × 132,383.52
  4. Step 4: Simplify right side
    267,412.56x = 53,073,961,728.65
  5. Step 5: Solve for x
    x = 53,073,961,728.65/267,412.56
  6. Step 6: Final answer
    x = 198,472.21

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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.