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Finding the Fourth Proportional to 548.28, 822.31 and 183.07

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Solution

The fourth proportional to 548.28, 822.31 and 183.07 is: 274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.28 : 822.31 = 183.07 : x
  2. Step 2: Convert to fraction form
    548.28/822.31 = 183.07/x
  3. Step 3: Cross multiply
    548.28x = 822.31 × 183.07
  4. Step 4: Simplify right side
    548.28x = 150,540.29
  5. Step 5: Solve for x
    x = 150,540.29/548.28
  6. Step 6: Final answer
    x = 274.57

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