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Finding the Fourth Proportional to 609,170.28, 840,614.94 and 337,219.26

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Solution

The fourth proportional to 609,170.28, 840,614.94 and 337,219.26 is: 465,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,170.28 : 840,614.94 = 337,219.26 : x
  2. Step 2: Convert to fraction form
    609,170.28/840,614.94 = 337,219.26/x
  3. Step 3: Cross multiply
    609,170.28x = 840,614.94 × 337,219.26
  4. Step 4: Simplify right side
    609,170.28x = 283,471,548,011.74
  5. Step 5: Solve for x
    x = 283,471,548,011.74/609,170.28
  6. Step 6: Final answer
    x = 465,340.41

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Double scale
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Similar ratio
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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.