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Finding the Fourth Proportional to 609,351.76, 840,895.15 and 337,413.81

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Solution

The fourth proportional to 609,351.76, 840,895.15 and 337,413.81 is: 465,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,351.76 : 840,895.15 = 337,413.81 : x
  2. Step 2: Convert to fraction form
    609,351.76/840,895.15 = 337,413.81/x
  3. Step 3: Cross multiply
    609,351.76x = 840,895.15 × 337,413.81
  4. Step 4: Simplify right side
    609,351.76x = 283,729,635,528.49
  5. Step 5: Solve for x
    x = 283,729,635,528.49/609,351.76
  6. Step 6: Final answer
    x = 465,625.37

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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.