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Finding the Fourth Proportional to 2,413.41, 3,620.42 and 682.03

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Solution

The fourth proportional to 2,413.41, 3,620.42 and 682.03 is: 1,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.41 : 3,620.42 = 682.03 : x
  2. Step 2: Convert to fraction form
    2,413.41/3,620.42 = 682.03/x
  3. Step 3: Cross multiply
    2,413.41x = 3,620.42 × 682.03
  4. Step 4: Simplify right side
    2,413.41x = 2,469,238.73
  5. Step 5: Solve for x
    x = 2,469,238.73/2,413.41
  6. Step 6: Final answer
    x = 1,023.13

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