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Finding the Fourth Proportional to 609,082.13, 840,540.75 and 337,175.16

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Solution

The fourth proportional to 609,082.13, 840,540.75 and 337,175.16 is: 465,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,082.13 : 840,540.75 = 337,175.16 : x
  2. Step 2: Convert to fraction form
    609,082.13/840,540.75 = 337,175.16/x
  3. Step 3: Cross multiply
    609,082.13x = 840,540.75 × 337,175.16
  4. Step 4: Simplify right side
    609,082.13x = 283,409,457,451.34
  5. Step 5: Solve for x
    x = 283,409,457,451.34/609,082.13
  6. Step 6: Final answer
    x = 465,305.81

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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.