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Finding the Fourth Proportional to 617,955.20, 926,241.60 and 262,908.80

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Solution

The fourth proportional to 617,955.20, 926,241.60 and 262,908.80 is: 394,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,955.20 : 926,241.60 = 262,908.80 : x
  2. Step 2: Convert to fraction form
    617,955.20/926,241.60 = 262,908.80/x
  3. Step 3: Cross multiply
    617,955.20x = 926,241.60 × 262,908.80
  4. Step 4: Simplify right side
    617,955.20x = 243,517,067,566.08
  5. Step 5: Solve for x
    x = 243,517,067,566.08/617,955.20
  6. Step 6: Final answer
    x = 394,069.13

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