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Finding the Fourth Proportional to 496.18, 743.99 and 187.94

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Solution

The fourth proportional to 496.18, 743.99 and 187.94 is: 281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.18 : 743.99 = 187.94 : x
  2. Step 2: Convert to fraction form
    496.18/743.99 = 187.94/x
  3. Step 3: Cross multiply
    496.18x = 743.99 × 187.94
  4. Step 4: Simplify right side
    496.18x = 139,827.46
  5. Step 5: Solve for x
    x = 139,827.46/496.18
  6. Step 6: Final answer
    x = 281.81

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