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Finding the Fourth Proportional to 483,213.60, 724,561.20 and 202,413.60

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Solution

The fourth proportional to 483,213.60, 724,561.20 and 202,413.60 is: 303,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,213.60 : 724,561.20 = 202,413.60 : x
  2. Step 2: Convert to fraction form
    483,213.60/724,561.20 = 202,413.60/x
  3. Step 3: Cross multiply
    483,213.60x = 724,561.20 × 202,413.60
  4. Step 4: Simplify right side
    483,213.60x = 146,661,040,912.32
  5. Step 5: Solve for x
    x = 146,661,040,912.32/483,213.60
  6. Step 6: Final answer
    x = 303,511.82

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1.5x scale

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.