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Finding the Fourth Proportional to 609,051.36, 840,469.44 and 337,119.78

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Solution

The fourth proportional to 609,051.36, 840,469.44 and 337,119.78 is: 465,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,051.36 : 840,469.44 = 337,119.78 : x
  2. Step 2: Convert to fraction form
    609,051.36/840,469.44 = 337,119.78/x
  3. Step 3: Cross multiply
    609,051.36x = 840,469.44 × 337,119.78
  4. Step 4: Simplify right side
    609,051.36x = 283,338,877,125.48
  5. Step 5: Solve for x
    x = 283,338,877,125.48/609,051.36
  6. Step 6: Final answer
    x = 465,213.44

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Double scale
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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.