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Finding the Fourth Proportional to 466,020.80, 698,512.80 and 255,809.60

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Solution

The fourth proportional to 466,020.80, 698,512.80 and 255,809.60 is: 383,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,020.80 : 698,512.80 = 255,809.60 : x
  2. Step 2: Convert to fraction form
    466,020.80/698,512.80 = 255,809.60/x
  3. Step 3: Cross multiply
    466,020.80x = 698,512.80 × 255,809.60
  4. Step 4: Simplify right side
    466,020.80x = 178,686,279,962.88
  5. Step 5: Solve for x
    x = 178,686,279,962.88/466,020.80
  6. Step 6: Final answer
    x = 383,429.84

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