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Finding the Fourth Proportional to 823,908.75, 1,236,039.57 and 255,277.26

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Solution

The fourth proportional to 823,908.75, 1,236,039.57 and 255,277.26 is: 382,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,908.75 : 1,236,039.57 = 255,277.26 : x
  2. Step 2: Convert to fraction form
    823,908.75/1,236,039.57 = 255,277.26/x
  3. Step 3: Cross multiply
    823,908.75x = 1,236,039.57 × 255,277.26
  4. Step 4: Simplify right side
    823,908.75x = 315,532,794,681.18
  5. Step 5: Solve for x
    x = 315,532,794,681.18/823,908.75
  6. Step 6: Final answer
    x = 382,970.56

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