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Finding the Fourth Proportional to 609,137.88, 840,616.92 and 337,210.31

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Solution

The fourth proportional to 609,137.88, 840,616.92 and 337,210.31 is: 465,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,137.88 : 840,616.92 = 337,210.31 : x
  2. Step 2: Convert to fraction form
    609,137.88/840,616.92 = 337,210.31/x
  3. Step 3: Cross multiply
    609,137.88x = 840,616.92 × 337,210.31
  4. Step 4: Simplify right side
    609,137.88x = 283,464,692,184.45
  5. Step 5: Solve for x
    x = 283,464,692,184.45/609,137.88
  6. Step 6: Final answer
    x = 465,353.91

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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.