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Finding the Fourth Proportional to 383.61, 575.22 and 200.97

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Solution

The fourth proportional to 383.61, 575.22 and 200.97 is: 301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.61 : 575.22 = 200.97 : x
  2. Step 2: Convert to fraction form
    383.61/575.22 = 200.97/x
  3. Step 3: Cross multiply
    383.61x = 575.22 × 200.97
  4. Step 4: Simplify right side
    383.61x = 115,601.96
  5. Step 5: Solve for x
    x = 115,601.96/383.61
  6. Step 6: Final answer
    x = 301.35

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