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Finding the Fourth Proportional to 579,553.92, 799,822.80 and 324,921.60

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Solution

The fourth proportional to 579,553.92, 799,822.80 and 324,921.60 is: 448,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,553.92 : 799,822.80 = 324,921.60 : x
  2. Step 2: Convert to fraction form
    579,553.92/799,822.80 = 324,921.60/x
  3. Step 3: Cross multiply
    579,553.92x = 799,822.80 × 324,921.60
  4. Step 4: Simplify right side
    579,553.92x = 259,879,703,892.48
  5. Step 5: Solve for x
    x = 259,879,703,892.48/579,553.92
  6. Step 6: Final answer
    x = 448,413.33

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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.