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Finding the Fourth Proportional to 591.68, 887.54 and 158.84

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Solution

The fourth proportional to 591.68, 887.54 and 158.84 is: 238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.68 : 887.54 = 158.84 : x
  2. Step 2: Convert to fraction form
    591.68/887.54 = 158.84/x
  3. Step 3: Cross multiply
    591.68x = 887.54 × 158.84
  4. Step 4: Simplify right side
    591.68x = 140,976.85
  5. Step 5: Solve for x
    x = 140,976.85/591.68
  6. Step 6: Final answer
    x = 238.27

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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.