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Finding the Fourth Proportional to 303.24, 454.88 and 140.97

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Solution

The fourth proportional to 303.24, 454.88 and 140.97 is: 211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.24 : 454.88 = 140.97 : x
  2. Step 2: Convert to fraction form
    303.24/454.88 = 140.97/x
  3. Step 3: Cross multiply
    303.24x = 454.88 × 140.97
  4. Step 4: Simplify right side
    303.24x = 64,124.43
  5. Step 5: Solve for x
    x = 64,124.43/303.24
  6. Step 6: Final answer
    x = 211.46

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