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Finding the Fourth Proportional to 561.73, 842.48 and 196.62

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Solution

The fourth proportional to 561.73, 842.48 and 196.62 is: 294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    561.73 : 842.48 = 196.62 : x
  2. Step 2: Convert to fraction form
    561.73/842.48 = 196.62/x
  3. Step 3: Cross multiply
    561.73x = 842.48 × 196.62
  4. Step 4: Simplify right side
    561.73x = 165,644.21
  5. Step 5: Solve for x
    x = 165,644.21/561.73
  6. Step 6: Final answer
    x = 294.88

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