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Finding the Fourth Proportional to 293,361.92, 439,728 and 192,121.28

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Solution

The fourth proportional to 293,361.92, 439,728 and 192,121.28 is: 287,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,361.92 : 439,728 = 192,121.28 : x
  2. Step 2: Convert to fraction form
    293,361.92/439,728 = 192,121.28/x
  3. Step 3: Cross multiply
    293,361.92x = 439,728 × 192,121.28
  4. Step 4: Simplify right side
    293,361.92x = 84,481,106,211.84
  5. Step 5: Solve for x
    x = 84,481,106,211.84/293,361.92
  6. Step 6: Final answer
    x = 287,975.71

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