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Finding the Fourth Proportional to 568,874.60, 785,042.02 and 314,243.56

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Solution

The fourth proportional to 568,874.60, 785,042.02 and 314,243.56 is: 433,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,874.60 : 785,042.02 = 314,243.56 : x
  2. Step 2: Convert to fraction form
    568,874.60/785,042.02 = 314,243.56/x
  3. Step 3: Cross multiply
    568,874.60x = 785,042.02 × 314,243.56
  4. Step 4: Simplify right side
    568,874.60x = 246,694,399,114.39
  5. Step 5: Solve for x
    x = 246,694,399,114.39/568,874.60
  6. Step 6: Final answer
    x = 433,653.39

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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.