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Finding the Fourth Proportional to 344.33, 475.13 and 196.97

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Solution

The fourth proportional to 344.33, 475.13 and 196.97 is: 271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.33 : 475.13 = 196.97 : x
  2. Step 2: Convert to fraction form
    344.33/475.13 = 196.97/x
  3. Step 3: Cross multiply
    344.33x = 475.13 × 196.97
  4. Step 4: Simplify right side
    344.33x = 93,584.47
  5. Step 5: Solve for x
    x = 93,584.47/344.33
  6. Step 6: Final answer
    x = 271.79

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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.