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Finding the Fourth Proportional to 609,371.71, 840,922.62 and 337,433.78

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Solution

The fourth proportional to 609,371.71, 840,922.62 and 337,433.78 is: 465,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,371.71 : 840,922.62 = 337,433.78 : x
  2. Step 2: Convert to fraction form
    609,371.71/840,922.62 = 337,433.78/x
  3. Step 3: Cross multiply
    609,371.71x = 840,922.62 × 337,433.78
  4. Step 4: Simplify right side
    609,371.71x = 283,755,698,354.10
  5. Step 5: Solve for x
    x = 283,755,698,354.10/609,371.71
  6. Step 6: Final answer
    x = 465,652.89

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1.5x scale

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.