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Finding the Fourth Proportional to 609,371.21, 840,921.93 and 337,433.28

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Solution

The fourth proportional to 609,371.21, 840,921.93 and 337,433.28 is: 465,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,371.21 : 840,921.93 = 337,433.28 : x
  2. Step 2: Convert to fraction form
    609,371.21/840,921.93 = 337,433.28/x
  3. Step 3: Cross multiply
    609,371.21x = 840,921.93 × 337,433.28
  4. Step 4: Simplify right side
    609,371.21x = 283,755,045,063.83
  5. Step 5: Solve for x
    x = 283,755,045,063.83/609,371.21
  6. Step 6: Final answer
    x = 465,652.20

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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.