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Finding the Fourth Proportional to 298,819.56, 448,317.13 and 88,462.97

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Solution

The fourth proportional to 298,819.56, 448,317.13 and 88,462.97 is: 132,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,819.56 : 448,317.13 = 88,462.97 : x
  2. Step 2: Convert to fraction form
    298,819.56/448,317.13 = 88,462.97/x
  3. Step 3: Cross multiply
    298,819.56x = 448,317.13 × 88,462.97
  4. Step 4: Simplify right side
    298,819.56x = 39,659,464,821.68
  5. Step 5: Solve for x
    x = 39,659,464,821.68/298,819.56
  6. Step 6: Final answer
    x = 132,720.44

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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.