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Finding the Fourth Proportional to 537,738.40, 806,413.20 and 271,410.40

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Solution

The fourth proportional to 537,738.40, 806,413.20 and 271,410.40 is: 407,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,738.40 : 806,413.20 = 271,410.40 : x
  2. Step 2: Convert to fraction form
    537,738.40/806,413.20 = 271,410.40/x
  3. Step 3: Cross multiply
    537,738.40x = 806,413.20 × 271,410.40
  4. Step 4: Simplify right side
    537,738.40x = 218,868,929,177.28
  5. Step 5: Solve for x
    x = 218,868,929,177.28/537,738.40
  6. Step 6: Final answer
    x = 407,017.48

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