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Finding the Fourth Proportional to 314,891.38, 472,519.97 and 132,508.73

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Solution

The fourth proportional to 314,891.38, 472,519.97 and 132,508.73 is: 198,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,891.38 : 472,519.97 = 132,508.73 : x
  2. Step 2: Convert to fraction form
    314,891.38/472,519.97 = 132,508.73/x
  3. Step 3: Cross multiply
    314,891.38x = 472,519.97 × 132,508.73
  4. Step 4: Simplify right side
    314,891.38x = 62,613,022,140.00
  5. Step 5: Solve for x
    x = 62,613,022,140.00/314,891.38
  6. Step 6: Final answer
    x = 198,840.06

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1.5x scale

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.