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Finding the Fourth Proportional to 483.48, 724.77 and 194.94

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Solution

The fourth proportional to 483.48, 724.77 and 194.94 is: 292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.48 : 724.77 = 194.94 : x
  2. Step 2: Convert to fraction form
    483.48/724.77 = 194.94/x
  3. Step 3: Cross multiply
    483.48x = 724.77 × 194.94
  4. Step 4: Simplify right side
    483.48x = 141,286.66
  5. Step 5: Solve for x
    x = 141,286.66/483.48
  6. Step 6: Final answer
    x = 292.23

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