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Finding the Fourth Proportional to 500,273.94, 750,408.22 and 121,194.49

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Solution

The fourth proportional to 500,273.94, 750,408.22 and 121,194.49 is: 181,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,273.94 : 750,408.22 = 121,194.49 : x
  2. Step 2: Convert to fraction form
    500,273.94/750,408.22 = 121,194.49/x
  3. Step 3: Cross multiply
    500,273.94x = 750,408.22 × 121,194.49
  4. Step 4: Simplify right side
    500,273.94x = 90,945,338,439.97
  5. Step 5: Solve for x
    x = 90,945,338,439.97/500,273.94
  6. Step 6: Final answer
    x = 181,791.08

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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.