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Finding the Fourth Proportional to 574.74, 862.16 and 250.11

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Solution

The fourth proportional to 574.74, 862.16 and 250.11 is: 375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.74 : 862.16 = 250.11 : x
  2. Step 2: Convert to fraction form
    574.74/862.16 = 250.11/x
  3. Step 3: Cross multiply
    574.74x = 862.16 × 250.11
  4. Step 4: Simplify right side
    574.74x = 215,633.59
  5. Step 5: Solve for x
    x = 215,633.59/574.74
  6. Step 6: Final answer
    x = 375.18

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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.