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Finding the Fourth Proportional to 609,367.57, 840,916.92 and 337,429.64

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Solution

The fourth proportional to 609,367.57, 840,916.92 and 337,429.64 is: 465,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,367.57 : 840,916.92 = 337,429.64 : x
  2. Step 2: Convert to fraction form
    609,367.57/840,916.92 = 337,429.64/x
  3. Step 3: Cross multiply
    609,367.57x = 840,916.92 × 337,429.64
  4. Step 4: Simplify right side
    609,367.57x = 283,750,293,585.51
  5. Step 5: Solve for x
    x = 283,750,293,585.51/609,367.57
  6. Step 6: Final answer
    x = 465,647.18

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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.