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Finding the Fourth Proportional to 483.60, 724.95 and 195.24

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Solution

The fourth proportional to 483.60, 724.95 and 195.24 is: 292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.60 : 724.95 = 195.24 : x
  2. Step 2: Convert to fraction form
    483.60/724.95 = 195.24/x
  3. Step 3: Cross multiply
    483.60x = 724.95 × 195.24
  4. Step 4: Simplify right side
    483.60x = 141,539.24
  5. Step 5: Solve for x
    x = 141,539.24/483.60
  6. Step 6: Final answer
    x = 292.68

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