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Finding the Fourth Proportional to 308.31, 462.26 and 200.04

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Solution

The fourth proportional to 308.31, 462.26 and 200.04 is: 299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.31 : 462.26 = 200.04 : x
  2. Step 2: Convert to fraction form
    308.31/462.26 = 200.04/x
  3. Step 3: Cross multiply
    308.31x = 462.26 × 200.04
  4. Step 4: Simplify right side
    308.31x = 92,469.49
  5. Step 5: Solve for x
    x = 92,469.49/308.31
  6. Step 6: Final answer
    x = 299.92

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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.