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Finding the Fourth Proportional to 609,744.40, 914,616.60 and 189,062.80

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Solution

The fourth proportional to 609,744.40, 914,616.60 and 189,062.80 is: 283,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,744.40 : 914,616.60 = 189,062.80 : x
  2. Step 2: Convert to fraction form
    609,744.40/914,616.60 = 189,062.80/x
  3. Step 3: Cross multiply
    609,744.40x = 914,616.60 × 189,062.80
  4. Step 4: Simplify right side
    609,744.40x = 172,919,975,322.48
  5. Step 5: Solve for x
    x = 172,919,975,322.48/609,744.40
  6. Step 6: Final answer
    x = 283,594.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.