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Finding the Fourth Proportional to 402.06, 603.18 and 196.62

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Solution

The fourth proportional to 402.06, 603.18 and 196.62 is: 294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.06 : 603.18 = 196.62 : x
  2. Step 2: Convert to fraction form
    402.06/603.18 = 196.62/x
  3. Step 3: Cross multiply
    402.06x = 603.18 × 196.62
  4. Step 4: Simplify right side
    402.06x = 118,597.25
  5. Step 5: Solve for x
    x = 118,597.25/402.06
  6. Step 6: Final answer
    x = 294.97

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