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Finding the Fourth Proportional to 397.56, 596.22 and 141

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Solution

The fourth proportional to 397.56, 596.22 and 141 is: 211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.56 : 596.22 = 141 : x
  2. Step 2: Convert to fraction form
    397.56/596.22 = 141/x
  3. Step 3: Cross multiply
    397.56x = 596.22 × 141
  4. Step 4: Simplify right side
    397.56x = 84,067.02
  5. Step 5: Solve for x
    x = 84,067.02/397.56
  6. Step 6: Final answer
    x = 211.46

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