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Finding the Fourth Proportional to 835,998.80, 1,254,305.40 and 337,413.20

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Solution

The fourth proportional to 835,998.80, 1,254,305.40 and 337,413.20 is: 506,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,998.80 : 1,254,305.40 = 337,413.20 : x
  2. Step 2: Convert to fraction form
    835,998.80/1,254,305.40 = 337,413.20/x
  3. Step 3: Cross multiply
    835,998.80x = 1,254,305.40 × 337,413.20
  4. Step 4: Simplify right side
    835,998.80x = 423,219,198,791.28
  5. Step 5: Solve for x
    x = 423,219,198,791.28/835,998.80
  6. Step 6: Final answer
    x = 506,243.79

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