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Finding the Fourth Proportional to 609,365.44, 840,913.96 and 337,427.49

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Solution

The fourth proportional to 609,365.44, 840,913.96 and 337,427.49 is: 465,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,365.44 : 840,913.96 = 337,427.49 : x
  2. Step 2: Convert to fraction form
    609,365.44/840,913.96 = 337,427.49/x
  3. Step 3: Cross multiply
    609,365.44x = 840,913.96 × 337,427.49
  4. Step 4: Simplify right side
    609,365.44x = 283,747,486,828.76
  5. Step 5: Solve for x
    x = 283,747,486,828.76/609,365.44
  6. Step 6: Final answer
    x = 465,644.21

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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.