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Finding the Fourth Proportional to 264,498.38, 396,695.90 and 84,535.53

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Solution

The fourth proportional to 264,498.38, 396,695.90 and 84,535.53 is: 126,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,498.38 : 396,695.90 = 84,535.53 : x
  2. Step 2: Convert to fraction form
    264,498.38/396,695.90 = 84,535.53/x
  3. Step 3: Cross multiply
    264,498.38x = 396,695.90 × 84,535.53
  4. Step 4: Simplify right side
    264,498.38x = 33,534,898,155.33
  5. Step 5: Solve for x
    x = 33,534,898,155.33/264,498.38
  6. Step 6: Final answer
    x = 126,786.78

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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.