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Finding the Fourth Proportional to 354.48, 531.04 and 232.24

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Solution

The fourth proportional to 354.48, 531.04 and 232.24 is: 347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.48 : 531.04 = 232.24 : x
  2. Step 2: Convert to fraction form
    354.48/531.04 = 232.24/x
  3. Step 3: Cross multiply
    354.48x = 531.04 × 232.24
  4. Step 4: Simplify right side
    354.48x = 123,328.73
  5. Step 5: Solve for x
    x = 123,328.73/354.48
  6. Step 6: Final answer
    x = 347.91

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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.