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Finding the Fourth Proportional to 591.75, 887.55 and 158.94

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Solution

The fourth proportional to 591.75, 887.55 and 158.94 is: 238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.75 : 887.55 = 158.94 : x
  2. Step 2: Convert to fraction form
    591.75/887.55 = 158.94/x
  3. Step 3: Cross multiply
    591.75x = 887.55 × 158.94
  4. Step 4: Simplify right side
    591.75x = 141,067.20
  5. Step 5: Solve for x
    x = 141,067.20/591.75
  6. Step 6: Final answer
    x = 238.39

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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.