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Finding the Fourth Proportional to 394,607.82, 544,571.02 and 224,831

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Solution

The fourth proportional to 394,607.82, 544,571.02 and 224,831 is: 310,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,607.82 : 544,571.02 = 224,831 : x
  2. Step 2: Convert to fraction form
    394,607.82/544,571.02 = 224,831/x
  3. Step 3: Cross multiply
    394,607.82x = 544,571.02 × 224,831
  4. Step 4: Simplify right side
    394,607.82x = 122,436,446,997.62
  5. Step 5: Solve for x
    x = 122,436,446,997.62/394,607.82
  6. Step 6: Final answer
    x = 310,273.75

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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.