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Finding the Fourth Proportional to 268.43, 401.95 and 146.44

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Solution

The fourth proportional to 268.43, 401.95 and 146.44 is: 219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.43 : 401.95 = 146.44 : x
  2. Step 2: Convert to fraction form
    268.43/401.95 = 146.44/x
  3. Step 3: Cross multiply
    268.43x = 401.95 × 146.44
  4. Step 4: Simplify right side
    268.43x = 58,861.42
  5. Step 5: Solve for x
    x = 58,861.42/268.43
  6. Step 6: Final answer
    x = 219.28

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