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Finding the Fourth Proportional to 343.73, 474.37 and 196.33

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Solution

The fourth proportional to 343.73, 474.37 and 196.33 is: 270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.73 : 474.37 = 196.33 : x
  2. Step 2: Convert to fraction form
    343.73/474.37 = 196.33/x
  3. Step 3: Cross multiply
    343.73x = 474.37 × 196.33
  4. Step 4: Simplify right side
    343.73x = 93,133.06
  5. Step 5: Solve for x
    x = 93,133.06/343.73
  6. Step 6: Final answer
    x = 270.95

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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.