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Finding the Fourth Proportional to 307.28, 460.20 and 226.64

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Solution

The fourth proportional to 307.28, 460.20 and 226.64 is: 339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.28 : 460.20 = 226.64 : x
  2. Step 2: Convert to fraction form
    307.28/460.20 = 226.64/x
  3. Step 3: Cross multiply
    307.28x = 460.20 × 226.64
  4. Step 4: Simplify right side
    307.28x = 104,299.73
  5. Step 5: Solve for x
    x = 104,299.73/307.28
  6. Step 6: Final answer
    x = 339.43

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