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Finding the Fourth Proportional to 496.28, 744.45 and 131.06

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Solution

The fourth proportional to 496.28, 744.45 and 131.06 is: 196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.28 : 744.45 = 131.06 : x
  2. Step 2: Convert to fraction form
    496.28/744.45 = 131.06/x
  3. Step 3: Cross multiply
    496.28x = 744.45 × 131.06
  4. Step 4: Simplify right side
    496.28x = 97,569.72
  5. Step 5: Solve for x
    x = 97,569.72/496.28
  6. Step 6: Final answer
    x = 196.60

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