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Finding the Fourth Proportional to 609,256.97, 914,165.43 and 230,309.30

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Solution

The fourth proportional to 609,256.97, 914,165.43 and 230,309.30 is: 345,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,256.97 : 914,165.43 = 230,309.30 : x
  2. Step 2: Convert to fraction form
    609,256.97/914,165.43 = 230,309.30/x
  3. Step 3: Cross multiply
    609,256.97x = 914,165.43 × 230,309.30
  4. Step 4: Simplify right side
    609,256.97x = 210,540,800,267.50
  5. Step 5: Solve for x
    x = 210,540,800,267.50/609,256.97
  6. Step 6: Final answer
    x = 345,569.79

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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.