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Finding the Fourth Proportional to 369,608.80, 554,413.20 and 192,461.80

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Solution

The fourth proportional to 369,608.80, 554,413.20 and 192,461.80 is: 288,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,608.80 : 554,413.20 = 192,461.80 : x
  2. Step 2: Convert to fraction form
    369,608.80/554,413.20 = 192,461.80/x
  3. Step 3: Cross multiply
    369,608.80x = 554,413.20 × 192,461.80
  4. Step 4: Simplify right side
    369,608.80x = 106,703,362,415.76
  5. Step 5: Solve for x
    x = 106,703,362,415.76/369,608.80
  6. Step 6: Final answer
    x = 288,692.70

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