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Finding the Fourth Proportional to 573,993.92, 792,091.73 and 315,846.73

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Solution

The fourth proportional to 573,993.92, 792,091.73 and 315,846.73 is: 435,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,993.92 : 792,091.73 = 315,846.73 : x
  2. Step 2: Convert to fraction form
    573,993.92/792,091.73 = 315,846.73/x
  3. Step 3: Cross multiply
    573,993.92x = 792,091.73 × 315,846.73
  4. Step 4: Simplify right side
    573,993.92x = 250,179,578,820.08
  5. Step 5: Solve for x
    x = 250,179,578,820.08/573,993.92
  6. Step 6: Final answer
    x = 435,857.54

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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.