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Finding the Fourth Proportional to 234,863.44, 324,380.76 and 154,649.56

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Solution

The fourth proportional to 234,863.44, 324,380.76 and 154,649.56 is: 213,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,863.44 : 324,380.76 = 154,649.56 : x
  2. Step 2: Convert to fraction form
    234,863.44/324,380.76 = 154,649.56/x
  3. Step 3: Cross multiply
    234,863.44x = 324,380.76 × 154,649.56
  4. Step 4: Simplify right side
    234,863.44x = 50,165,341,806.47
  5. Step 5: Solve for x
    x = 50,165,341,806.47/234,863.44
  6. Step 6: Final answer
    x = 213,593.66

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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.