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Finding the Fourth Proportional to 466,938.80, 698,795.40 and 280,084.40

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Solution

The fourth proportional to 466,938.80, 698,795.40 and 280,084.40 is: 419,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,938.80 : 698,795.40 = 280,084.40 : x
  2. Step 2: Convert to fraction form
    466,938.80/698,795.40 = 280,084.40/x
  3. Step 3: Cross multiply
    466,938.80x = 698,795.40 × 280,084.40
  4. Step 4: Simplify right side
    466,938.80x = 195,721,690,331.76
  5. Step 5: Solve for x
    x = 195,721,690,331.76/466,938.80
  6. Step 6: Final answer
    x = 419,159.19

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