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Finding the Fourth Proportional to 701,024.28, 967,413.96 and 378,734.20

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Solution

The fourth proportional to 701,024.28, 967,413.96 and 378,734.20 is: 522,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,024.28 : 967,413.96 = 378,734.20 : x
  2. Step 2: Convert to fraction form
    701,024.28/967,413.96 = 378,734.20/x
  3. Step 3: Cross multiply
    701,024.28x = 967,413.96 × 378,734.20
  4. Step 4: Simplify right side
    701,024.28x = 366,392,752,209.43
  5. Step 5: Solve for x
    x = 366,392,752,209.43/701,024.28
  6. Step 6: Final answer
    x = 522,653.44

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1.5x scale

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.