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Finding the Fourth Proportional to 559.28, 838.92 and 234.59

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Solution

The fourth proportional to 559.28, 838.92 and 234.59 is: 351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.28 : 838.92 = 234.59 : x
  2. Step 2: Convert to fraction form
    559.28/838.92 = 234.59/x
  3. Step 3: Cross multiply
    559.28x = 838.92 × 234.59
  4. Step 4: Simplify right side
    559.28x = 196,802.24
  5. Step 5: Solve for x
    x = 196,802.24/559.28
  6. Step 6: Final answer
    x = 351.89

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