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Finding the Fourth Proportional to 234.88, 351.76 and 233.44

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Solution

The fourth proportional to 234.88, 351.76 and 233.44 is: 349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.88 : 351.76 = 233.44 : x
  2. Step 2: Convert to fraction form
    234.88/351.76 = 233.44/x
  3. Step 3: Cross multiply
    234.88x = 351.76 × 233.44
  4. Step 4: Simplify right side
    234.88x = 82,114.85
  5. Step 5: Solve for x
    x = 82,114.85/234.88
  6. Step 6: Final answer
    x = 349.60

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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.