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Finding the Fourth Proportional to 373,324.56, 515,198.52 and 203,568

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Solution

The fourth proportional to 373,324.56, 515,198.52 and 203,568 is: 280,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,324.56 : 515,198.52 = 203,568 : x
  2. Step 2: Convert to fraction form
    373,324.56/515,198.52 = 203,568/x
  3. Step 3: Cross multiply
    373,324.56x = 515,198.52 × 203,568
  4. Step 4: Simplify right side
    373,324.56x = 104,877,932,319.36
  5. Step 5: Solve for x
    x = 104,877,932,319.36/373,324.56
  6. Step 6: Final answer
    x = 280,929.63

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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.