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Finding the Fourth Proportional to 361.48, 542.24 and 234.04

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Solution

The fourth proportional to 361.48, 542.24 and 234.04 is: 351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.48 : 542.24 = 234.04 : x
  2. Step 2: Convert to fraction form
    361.48/542.24 = 234.04/x
  3. Step 3: Cross multiply
    361.48x = 542.24 × 234.04
  4. Step 4: Simplify right side
    361.48x = 126,905.85
  5. Step 5: Solve for x
    x = 126,905.85/361.48
  6. Step 6: Final answer
    x = 351.07

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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.