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Finding the Fourth Proportional to 308.33, 462.13 and 134.95

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Solution

The fourth proportional to 308.33, 462.13 and 134.95 is: 202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.33 : 462.13 = 134.95 : x
  2. Step 2: Convert to fraction form
    308.33/462.13 = 134.95/x
  3. Step 3: Cross multiply
    308.33x = 462.13 × 134.95
  4. Step 4: Simplify right side
    308.33x = 62,364.44
  5. Step 5: Solve for x
    x = 62,364.44/308.33
  6. Step 6: Final answer
    x = 202.27

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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.