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Finding the Fourth Proportional to 681,793.35, 1,022,991.26 and 357,504

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Solution

The fourth proportional to 681,793.35, 1,022,991.26 and 357,504 is: 536,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,793.35 : 1,022,991.26 = 357,504 : x
  2. Step 2: Convert to fraction form
    681,793.35/1,022,991.26 = 357,504/x
  3. Step 3: Cross multiply
    681,793.35x = 1,022,991.26 × 357,504
  4. Step 4: Simplify right side
    681,793.35x = 365,723,465,627.52
  5. Step 5: Solve for x
    x = 365,723,465,627.52/681,793.35
  6. Step 6: Final answer
    x = 536,413.95

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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.