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Finding the Fourth Proportional to 568.28, 851.82 and 324.28

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Solution

The fourth proportional to 568.28, 851.82 and 324.28 is: 486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.28 : 851.82 = 324.28 : x
  2. Step 2: Convert to fraction form
    568.28/851.82 = 324.28/x
  3. Step 3: Cross multiply
    568.28x = 851.82 × 324.28
  4. Step 4: Simplify right side
    568.28x = 276,226.57
  5. Step 5: Solve for x
    x = 276,226.57/568.28
  6. Step 6: Final answer
    x = 486.07

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