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Finding the Fourth Proportional to 701,025.22, 967,413.60 and 378,734.32

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Solution

The fourth proportional to 701,025.22, 967,413.60 and 378,734.32 is: 522,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,025.22 : 967,413.60 = 378,734.32 : x
  2. Step 2: Convert to fraction form
    701,025.22/967,413.60 = 378,734.32/x
  3. Step 3: Cross multiply
    701,025.22x = 967,413.60 × 378,734.32
  4. Step 4: Simplify right side
    701,025.22x = 366,392,731,954.75
  5. Step 5: Solve for x
    x = 366,392,731,954.75/701,025.22
  6. Step 6: Final answer
    x = 522,652.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.