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Finding the Fourth Proportional to 965,772.80, 1,448,659.20 and 255,910.40

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Solution

The fourth proportional to 965,772.80, 1,448,659.20 and 255,910.40 is: 383,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,772.80 : 1,448,659.20 = 255,910.40 : x
  2. Step 2: Convert to fraction form
    965,772.80/1,448,659.20 = 255,910.40/x
  3. Step 3: Cross multiply
    965,772.80x = 1,448,659.20 × 255,910.40
  4. Step 4: Simplify right side
    965,772.80x = 370,726,955,335.68
  5. Step 5: Solve for x
    x = 370,726,955,335.68/965,772.80
  6. Step 6: Final answer
    x = 383,865.60

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