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Finding the Fourth Proportional to 325,260.48, 448,866.18 and 196,198.32

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Solution

The fourth proportional to 325,260.48, 448,866.18 and 196,198.32 is: 270,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,260.48 : 448,866.18 = 196,198.32 : x
  2. Step 2: Convert to fraction form
    325,260.48/448,866.18 = 196,198.32/x
  3. Step 3: Cross multiply
    325,260.48x = 448,866.18 × 196,198.32
  4. Step 4: Simplify right side
    325,260.48x = 88,066,790,420.82
  5. Step 5: Solve for x
    x = 88,066,790,420.82/325,260.48
  6. Step 6: Final answer
    x = 270,757.73

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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.