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Finding the Fourth Proportional to 591.32, 886.94 and 158.48

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Solution

The fourth proportional to 591.32, 886.94 and 158.48 is: 237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.32 : 886.94 = 158.48 : x
  2. Step 2: Convert to fraction form
    591.32/886.94 = 158.48/x
  3. Step 3: Cross multiply
    591.32x = 886.94 × 158.48
  4. Step 4: Simplify right side
    591.32x = 140,562.25
  5. Step 5: Solve for x
    x = 140,562.25/591.32
  6. Step 6: Final answer
    x = 237.71

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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.