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Finding the Fourth Proportional to 591.44, 886.90 and 225.98

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Solution

The fourth proportional to 591.44, 886.90 and 225.98 is: 338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.44 : 886.90 = 225.98 : x
  2. Step 2: Convert to fraction form
    591.44/886.90 = 225.98/x
  3. Step 3: Cross multiply
    591.44x = 886.90 × 225.98
  4. Step 4: Simplify right side
    591.44x = 200,416.66
  5. Step 5: Solve for x
    x = 200,416.66/591.44
  6. Step 6: Final answer
    x = 338.86

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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.