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Finding the Fourth Proportional to 422,571.57, 633,858.38 and 123,059.41

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Solution

The fourth proportional to 422,571.57, 633,858.38 and 123,059.41 is: 184,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,571.57 : 633,858.38 = 123,059.41 : x
  2. Step 2: Convert to fraction form
    422,571.57/633,858.38 = 123,059.41/x
  3. Step 3: Cross multiply
    422,571.57x = 633,858.38 × 123,059.41
  4. Step 4: Simplify right side
    422,571.57x = 78,002,241,244.28
  5. Step 5: Solve for x
    x = 78,002,241,244.28/422,571.57
  6. Step 6: Final answer
    x = 184,589.42

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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.