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Finding the Fourth Proportional to 396.75, 595.13 and 165.77

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Solution

The fourth proportional to 396.75, 595.13 and 165.77 is: 248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.75 : 595.13 = 165.77 : x
  2. Step 2: Convert to fraction form
    396.75/595.13 = 165.77/x
  3. Step 3: Cross multiply
    396.75x = 595.13 × 165.77
  4. Step 4: Simplify right side
    396.75x = 98,650.90
  5. Step 5: Solve for x
    x = 98,650.90/396.75
  6. Step 6: Final answer
    x = 248.65

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