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Finding the Fourth Proportional to 574,843.86, 793,309.01 and 320,194.98

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Solution

The fourth proportional to 574,843.86, 793,309.01 and 320,194.98 is: 441,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,843.86 : 793,309.01 = 320,194.98 : x
  2. Step 2: Convert to fraction form
    574,843.86/793,309.01 = 320,194.98/x
  3. Step 3: Cross multiply
    574,843.86x = 793,309.01 × 320,194.98
  4. Step 4: Simplify right side
    574,843.86x = 254,013,560,989.80
  5. Step 5: Solve for x
    x = 254,013,560,989.80/574,843.86
  6. Step 6: Final answer
    x = 441,882.71

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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.