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Finding the Fourth Proportional to 609,082.15, 840,523.19 and 337,144.21

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Solution

The fourth proportional to 609,082.15, 840,523.19 and 337,144.21 is: 465,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,082.15 : 840,523.19 = 337,144.21 : x
  2. Step 2: Convert to fraction form
    609,082.15/840,523.19 = 337,144.21/x
  3. Step 3: Cross multiply
    609,082.15x = 840,523.19 × 337,144.21
  4. Step 4: Simplify right side
    609,082.15x = 283,377,520,990.89
  5. Step 5: Solve for x
    x = 283,377,520,990.89/609,082.15
  6. Step 6: Final answer
    x = 465,253.37

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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.