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Finding the Fourth Proportional to 351.17, 484.88 and 226.91

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Solution

The fourth proportional to 351.17, 484.88 and 226.91 is: 313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.17 : 484.88 = 226.91 : x
  2. Step 2: Convert to fraction form
    351.17/484.88 = 226.91/x
  3. Step 3: Cross multiply
    351.17x = 484.88 × 226.91
  4. Step 4: Simplify right side
    351.17x = 110,024.12
  5. Step 5: Solve for x
    x = 110,024.12/351.17
  6. Step 6: Final answer
    x = 313.31

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