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Finding the Fourth Proportional to 349.16, 481.82 and 193.92

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Solution

The fourth proportional to 349.16, 481.82 and 193.92 is: 267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.16 : 481.82 = 193.92 : x
  2. Step 2: Convert to fraction form
    349.16/481.82 = 193.92/x
  3. Step 3: Cross multiply
    349.16x = 481.82 × 193.92
  4. Step 4: Simplify right side
    349.16x = 93,434.53
  5. Step 5: Solve for x
    x = 93,434.53/349.16
  6. Step 6: Final answer
    x = 267.60

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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.