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Finding the Fourth Proportional to 396.79, 595.19 and 165.62

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Solution

The fourth proportional to 396.79, 595.19 and 165.62 is: 248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.79 : 595.19 = 165.62 : x
  2. Step 2: Convert to fraction form
    396.79/595.19 = 165.62/x
  3. Step 3: Cross multiply
    396.79x = 595.19 × 165.62
  4. Step 4: Simplify right side
    396.79x = 98,577.27
  5. Step 5: Solve for x
    x = 98,577.27/396.79
  6. Step 6: Final answer
    x = 248.44

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