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Finding the Fourth Proportional to 325,616.44, 449,570.11 and 203,295.24

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Solution

The fourth proportional to 325,616.44, 449,570.11 and 203,295.24 is: 280,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,616.44 : 449,570.11 = 203,295.24 : x
  2. Step 2: Convert to fraction form
    325,616.44/449,570.11 = 203,295.24/x
  3. Step 3: Cross multiply
    325,616.44x = 449,570.11 × 203,295.24
  4. Step 4: Simplify right side
    325,616.44x = 91,395,463,409.28
  5. Step 5: Solve for x
    x = 91,395,463,409.28/325,616.44
  6. Step 6: Final answer
    x = 280,684.43

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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.