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Finding the Fourth Proportional to 605,721, 835,912.26 and 337,466.28

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Solution

The fourth proportional to 605,721, 835,912.26 and 337,466.28 is: 465,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,721 : 835,912.26 = 337,466.28 : x
  2. Step 2: Convert to fraction form
    605,721/835,912.26 = 337,466.28/x
  3. Step 3: Cross multiply
    605,721x = 835,912.26 × 337,466.28
  4. Step 4: Simplify right side
    605,721x = 282,092,200,788.59
  5. Step 5: Solve for x
    x = 282,092,200,788.59/605,721
  6. Step 6: Final answer
    x = 465,713.09

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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.