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Finding the Fourth Proportional to 609,361.43, 840,918.23 and 337,429.31

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Solution

The fourth proportional to 609,361.43, 840,918.23 and 337,429.31 is: 465,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,361.43 : 840,918.23 = 337,429.31 : x
  2. Step 2: Convert to fraction form
    609,361.43/840,918.23 = 337,429.31/x
  3. Step 3: Cross multiply
    609,361.43x = 840,918.23 × 337,429.31
  4. Step 4: Simplify right side
    609,361.43x = 283,750,452,223.58
  5. Step 5: Solve for x
    x = 283,750,452,223.58/609,361.43
  6. Step 6: Final answer
    x = 465,652.14

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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.