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Finding the Fourth Proportional to 396.54, 594.79 and 107.97

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Solution

The fourth proportional to 396.54, 594.79 and 107.97 is: 161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.54 : 594.79 = 107.97 : x
  2. Step 2: Convert to fraction form
    396.54/594.79 = 107.97/x
  3. Step 3: Cross multiply
    396.54x = 594.79 × 107.97
  4. Step 4: Simplify right side
    396.54x = 64,219.48
  5. Step 5: Solve for x
    x = 64,219.48/396.54
  6. Step 6: Final answer
    x = 161.95

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