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Finding the Fourth Proportional to 322,414.02, 483,538.11 and 132,928.29

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Solution

The fourth proportional to 322,414.02, 483,538.11 and 132,928.29 is: 199,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,414.02 : 483,538.11 = 132,928.29 : x
  2. Step 2: Convert to fraction form
    322,414.02/483,538.11 = 132,928.29/x
  3. Step 3: Cross multiply
    322,414.02x = 483,538.11 × 132,928.29
  4. Step 4: Simplify right side
    322,414.02x = 64,275,893,613.65
  5. Step 5: Solve for x
    x = 64,275,893,613.65/322,414.02
  6. Step 6: Final answer
    x = 199,358.25

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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.