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Finding the Fourth Proportional to 1,796,413.80, 2,694,620.70 and 1,619,266.80

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Solution

The fourth proportional to 1,796,413.80, 2,694,620.70 and 1,619,266.80 is: 2,428,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,413.80 : 2,694,620.70 = 1,619,266.80 : x
  2. Step 2: Convert to fraction form
    1,796,413.80/2,694,620.70 = 1,619,266.80/x
  3. Step 3: Cross multiply
    1,796,413.80x = 2,694,620.70 × 1,619,266.80
  4. Step 4: Simplify right side
    1,796,413.80x = 4,363,309,838,102.76
  5. Step 5: Solve for x
    x = 4,363,309,838,102.76/1,796,413.80
  6. Step 6: Final answer
    x = 2,428,900.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.