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Finding the Fourth Proportional to 242.74, 363.99 and 196.35

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Solution

The fourth proportional to 242.74, 363.99 and 196.35 is: 294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.74 : 363.99 = 196.35 : x
  2. Step 2: Convert to fraction form
    242.74/363.99 = 196.35/x
  3. Step 3: Cross multiply
    242.74x = 363.99 × 196.35
  4. Step 4: Simplify right side
    242.74x = 71,471.37
  5. Step 5: Solve for x
    x = 71,471.37/242.74
  6. Step 6: Final answer
    x = 294.43

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