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Finding the Fourth Proportional to 573,997.96, 861,190.70 and 254,105.70

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Solution

The fourth proportional to 573,997.96, 861,190.70 and 254,105.70 is: 381,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,997.96 : 861,190.70 = 254,105.70 : x
  2. Step 2: Convert to fraction form
    573,997.96/861,190.70 = 254,105.70/x
  3. Step 3: Cross multiply
    573,997.96x = 861,190.70 × 254,105.70
  4. Step 4: Simplify right side
    573,997.96x = 218,833,465,656.99
  5. Step 5: Solve for x
    x = 218,833,465,656.99/573,997.96
  6. Step 6: Final answer
    x = 381,244.33

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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.