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Finding the Fourth Proportional to 400,425.48, 600,691.06 and 147,883.47

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Solution

The fourth proportional to 400,425.48, 600,691.06 and 147,883.47 is: 221,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,425.48 : 600,691.06 = 147,883.47 : x
  2. Step 2: Convert to fraction form
    400,425.48/600,691.06 = 147,883.47/x
  3. Step 3: Cross multiply
    400,425.48x = 600,691.06 × 147,883.47
  4. Step 4: Simplify right side
    400,425.48x = 88,832,278,350.78
  5. Step 5: Solve for x
    x = 88,832,278,350.78/400,425.48
  6. Step 6: Final answer
    x = 221,844.72

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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.