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Finding the Fourth Proportional to 349.22, 481.92 and 193.97

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Solution

The fourth proportional to 349.22, 481.92 and 193.97 is: 267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.22 : 481.92 = 193.97 : x
  2. Step 2: Convert to fraction form
    349.22/481.92 = 193.97/x
  3. Step 3: Cross multiply
    349.22x = 481.92 × 193.97
  4. Step 4: Simplify right side
    349.22x = 93,478.02
  5. Step 5: Solve for x
    x = 93,478.02/349.22
  6. Step 6: Final answer
    x = 267.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.