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Finding the Fourth Proportional to 574.83, 862.35 and 250.22

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Solution

The fourth proportional to 574.83, 862.35 and 250.22 is: 375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.83 : 862.35 = 250.22 : x
  2. Step 2: Convert to fraction form
    574.83/862.35 = 250.22/x
  3. Step 3: Cross multiply
    574.83x = 862.35 × 250.22
  4. Step 4: Simplify right side
    574.83x = 215,778.43
  5. Step 5: Solve for x
    x = 215,778.43/574.83
  6. Step 6: Final answer
    x = 375.38

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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.