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Finding the Fourth Proportional to 609,052.86, 840,471.51 and 337,121.28

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Solution

The fourth proportional to 609,052.86, 840,471.51 and 337,121.28 is: 465,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,052.86 : 840,471.51 = 337,121.28 : x
  2. Step 2: Convert to fraction form
    609,052.86/840,471.51 = 337,121.28/x
  3. Step 3: Cross multiply
    609,052.86x = 840,471.51 × 337,121.28
  4. Step 4: Simplify right side
    609,052.86x = 283,340,831,254.73
  5. Step 5: Solve for x
    x = 283,340,831,254.73/609,052.86
  6. Step 6: Final answer
    x = 465,215.50

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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.