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Finding the Fourth Proportional to 2,833,608.80, 4,250,413.20 and 1,151,919.20

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Solution

The fourth proportional to 2,833,608.80, 4,250,413.20 and 1,151,919.20 is: 1,727,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833,608.80 : 4,250,413.20 = 1,151,919.20 : x
  2. Step 2: Convert to fraction form
    2,833,608.80/4,250,413.20 = 1,151,919.20/x
  3. Step 3: Cross multiply
    2,833,608.80x = 4,250,413.20 × 1,151,919.20
  4. Step 4: Simplify right side
    2,833,608.80x = 4,896,132,573,013.44
  5. Step 5: Solve for x
    x = 4,896,132,573,013.44/2,833,608.80
  6. Step 6: Final answer
    x = 1,727,878.80

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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.