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Finding the Fourth Proportional to 609,255.97, 914,163.93 and 230,308.30

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Solution

The fourth proportional to 609,255.97, 914,163.93 and 230,308.30 is: 345,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,255.97 : 914,163.93 = 230,308.30 : x
  2. Step 2: Convert to fraction form
    609,255.97/914,163.93 = 230,308.30/x
  3. Step 3: Cross multiply
    609,255.97x = 914,163.93 × 230,308.30
  4. Step 4: Simplify right side
    609,255.97x = 210,539,540,639.62
  5. Step 5: Solve for x
    x = 210,539,540,639.62/609,255.97
  6. Step 6: Final answer
    x = 345,568.28

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Similar ratio
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1.5x scale

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.