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Finding the Fourth Proportional to 682,363.92, 941,357.79 and 395,717.97

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Solution

The fourth proportional to 682,363.92, 941,357.79 and 395,717.97 is: 545,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,363.92 : 941,357.79 = 395,717.97 : x
  2. Step 2: Convert to fraction form
    682,363.92/941,357.79 = 395,717.97/x
  3. Step 3: Cross multiply
    682,363.92x = 941,357.79 × 395,717.97
  4. Step 4: Simplify right side
    682,363.92x = 372,512,193,702.49
  5. Step 5: Solve for x
    x = 372,512,193,702.49/682,363.92
  6. Step 6: Final answer
    x = 545,914.26

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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.