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Finding the Fourth Proportional to 543,900.96, 815,571.05 and 244,124.55

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Solution

The fourth proportional to 543,900.96, 815,571.05 and 244,124.55 is: 366,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,900.96 : 815,571.05 = 244,124.55 : x
  2. Step 2: Convert to fraction form
    543,900.96/815,571.05 = 244,124.55/x
  3. Step 3: Cross multiply
    543,900.96x = 815,571.05 × 244,124.55
  4. Step 4: Simplify right side
    543,900.96x = 199,100,914,353.66
  5. Step 5: Solve for x
    x = 199,100,914,353.66/543,900.96
  6. Step 6: Final answer
    x = 366,060.97

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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.