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Finding the Fourth Proportional to 264,497.38, 396,694.40 and 84,534.53

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Solution

The fourth proportional to 264,497.38, 396,694.40 and 84,534.53 is: 126,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,497.38 : 396,694.40 = 84,534.53 : x
  2. Step 2: Convert to fraction form
    264,497.38/396,694.40 = 84,534.53/x
  3. Step 3: Cross multiply
    264,497.38x = 396,694.40 × 84,534.53
  4. Step 4: Simplify right side
    264,497.38x = 33,534,375,860.70
  5. Step 5: Solve for x
    x = 33,534,375,860.70/264,497.38
  6. Step 6: Final answer
    x = 126,785.29

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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.