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Finding the Fourth Proportional to 327,710.10, 491,565.15 and 222,734.10

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Solution

The fourth proportional to 327,710.10, 491,565.15 and 222,734.10 is: 334,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,710.10 : 491,565.15 = 222,734.10 : x
  2. Step 2: Convert to fraction form
    327,710.10/491,565.15 = 222,734.10/x
  3. Step 3: Cross multiply
    327,710.10x = 491,565.15 × 222,734.10
  4. Step 4: Simplify right side
    327,710.10x = 109,488,321,276.62
  5. Step 5: Solve for x
    x = 109,488,321,276.62/327,710.10
  6. Step 6: Final answer
    x = 334,101.15

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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.