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Finding the Fourth Proportional to 352.62, 528.45 and 224.14

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Solution

The fourth proportional to 352.62, 528.45 and 224.14 is: 335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.62 : 528.45 = 224.14 : x
  2. Step 2: Convert to fraction form
    352.62/528.45 = 224.14/x
  3. Step 3: Cross multiply
    352.62x = 528.45 × 224.14
  4. Step 4: Simplify right side
    352.62x = 118,446.78
  5. Step 5: Solve for x
    x = 118,446.78/352.62
  6. Step 6: Final answer
    x = 335.90

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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.