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Finding the Fourth Proportional to 466,856.80, 698,672.40 and 280,002.40

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Solution

The fourth proportional to 466,856.80, 698,672.40 and 280,002.40 is: 419,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,856.80 : 698,672.40 = 280,002.40 : x
  2. Step 2: Convert to fraction form
    466,856.80/698,672.40 = 280,002.40/x
  3. Step 3: Cross multiply
    466,856.80x = 698,672.40 × 280,002.40
  4. Step 4: Simplify right side
    466,856.80x = 195,629,948,813.76
  5. Step 5: Solve for x
    x = 195,629,948,813.76/466,856.80
  6. Step 6: Final answer
    x = 419,036.31

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