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Finding the Fourth Proportional to 273,413.20, 410,119.80 and 251,761.90

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Solution

The fourth proportional to 273,413.20, 410,119.80 and 251,761.90 is: 377,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,413.20 : 410,119.80 = 251,761.90 : x
  2. Step 2: Convert to fraction form
    273,413.20/410,119.80 = 251,761.90/x
  3. Step 3: Cross multiply
    273,413.20x = 410,119.80 × 251,761.90
  4. Step 4: Simplify right side
    273,413.20x = 103,252,540,075.62
  5. Step 5: Solve for x
    x = 103,252,540,075.62/273,413.20
  6. Step 6: Final answer
    x = 377,642.85

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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.