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Finding the Fourth Proportional to 325,163.66, 448,850.43 and 217,694.48

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Solution

The fourth proportional to 325,163.66, 448,850.43 and 217,694.48 is: 300,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,163.66 : 448,850.43 = 217,694.48 : x
  2. Step 2: Convert to fraction form
    325,163.66/448,850.43 = 217,694.48/x
  3. Step 3: Cross multiply
    325,163.66x = 448,850.43 × 217,694.48
  4. Step 4: Simplify right side
    325,163.66x = 97,712,258,712.37
  5. Step 5: Solve for x
    x = 97,712,258,712.37/325,163.66
  6. Step 6: Final answer
    x = 300,501.78

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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.