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Finding the Fourth Proportional to 637.99, 956.96 and 227.03

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Solution

The fourth proportional to 637.99, 956.96 and 227.03 is: 340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.99 : 956.96 = 227.03 : x
  2. Step 2: Convert to fraction form
    637.99/956.96 = 227.03/x
  3. Step 3: Cross multiply
    637.99x = 956.96 × 227.03
  4. Step 4: Simplify right side
    637.99x = 217,257.49
  5. Step 5: Solve for x
    x = 217,257.49/637.99
  6. Step 6: Final answer
    x = 340.54

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