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Finding the Fourth Proportional to 599,755.92, 899,791.44 and 215,543.57

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Solution

The fourth proportional to 599,755.92, 899,791.44 and 215,543.57 is: 323,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,755.92 : 899,791.44 = 215,543.57 : x
  2. Step 2: Convert to fraction form
    599,755.92/899,791.44 = 215,543.57/x
  3. Step 3: Cross multiply
    599,755.92x = 899,791.44 × 215,543.57
  4. Step 4: Simplify right side
    599,755.92x = 193,944,253,925.80
  5. Step 5: Solve for x
    x = 193,944,253,925.80/599,755.92
  6. Step 6: Final answer
    x = 323,371.97

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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.