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Finding the Fourth Proportional to 354.41, 531.89 and 232.73

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Solution

The fourth proportional to 354.41, 531.89 and 232.73 is: 349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.41 : 531.89 = 232.73 : x
  2. Step 2: Convert to fraction form
    354.41/531.89 = 232.73/x
  3. Step 3: Cross multiply
    354.41x = 531.89 × 232.73
  4. Step 4: Simplify right side
    354.41x = 123,782.94
  5. Step 5: Solve for x
    x = 123,782.94/354.41
  6. Step 6: Final answer
    x = 349.27

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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.