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Finding the Fourth Proportional to 285,591.10, 394,159.14 and 182,269.87

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Solution

The fourth proportional to 285,591.10, 394,159.14 and 182,269.87 is: 251,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,591.10 : 394,159.14 = 182,269.87 : x
  2. Step 2: Convert to fraction form
    285,591.10/394,159.14 = 182,269.87/x
  3. Step 3: Cross multiply
    285,591.10x = 394,159.14 × 182,269.87
  4. Step 4: Simplify right side
    285,591.10x = 71,843,335,016.30
  5. Step 5: Solve for x
    x = 71,843,335,016.30/285,591.10
  6. Step 6: Final answer
    x = 251,560.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.