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Finding the Fourth Proportional to 331,858.32, 497,587.32 and 132,209.52

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Solution

The fourth proportional to 331,858.32, 497,587.32 and 132,209.52 is: 198,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,858.32 : 497,587.32 = 132,209.52 : x
  2. Step 2: Convert to fraction form
    331,858.32/497,587.32 = 132,209.52/x
  3. Step 3: Cross multiply
    331,858.32x = 497,587.32 × 132,209.52
  4. Step 4: Simplify right side
    331,858.32x = 65,785,780,735.29
  5. Step 5: Solve for x
    x = 65,785,780,735.29/331,858.32
  6. Step 6: Final answer
    x = 198,234.54

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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.