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Finding the Fourth Proportional to 591.60, 887.62 and 226.42

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Solution

The fourth proportional to 591.60, 887.62 and 226.42 is: 339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.60 : 887.62 = 226.42 : x
  2. Step 2: Convert to fraction form
    591.60/887.62 = 226.42/x
  3. Step 3: Cross multiply
    591.60x = 887.62 × 226.42
  4. Step 4: Simplify right side
    591.60x = 200,974.92
  5. Step 5: Solve for x
    x = 200,974.92/591.60
  6. Step 6: Final answer
    x = 339.71

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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.