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Finding the Fourth Proportional to 264.34, 396.61 and 234.17

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Solution

The fourth proportional to 264.34, 396.61 and 234.17 is: 351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.34 : 396.61 = 234.17 : x
  2. Step 2: Convert to fraction form
    264.34/396.61 = 234.17/x
  3. Step 3: Cross multiply
    264.34x = 396.61 × 234.17
  4. Step 4: Simplify right side
    264.34x = 92,874.16
  5. Step 5: Solve for x
    x = 92,874.16/264.34
  6. Step 6: Final answer
    x = 351.34

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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.