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Finding the Fourth Proportional to 609,359.92, 840,916.16 and 337,427.80

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Solution

The fourth proportional to 609,359.92, 840,916.16 and 337,427.80 is: 465,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,359.92 : 840,916.16 = 337,427.80 : x
  2. Step 2: Convert to fraction form
    609,359.92/840,916.16 = 337,427.80/x
  3. Step 3: Cross multiply
    609,359.92x = 840,916.16 × 337,427.80
  4. Step 4: Simplify right side
    609,359.92x = 283,748,487,329.17
  5. Step 5: Solve for x
    x = 283,748,487,329.17/609,359.92
  6. Step 6: Final answer
    x = 465,650.07

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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.