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Finding the Fourth Proportional to 373,324.44, 515,188.25 and 203,558.57

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Solution

The fourth proportional to 373,324.44, 515,188.25 and 203,558.57 is: 280,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,324.44 : 515,188.25 = 203,558.57 : x
  2. Step 2: Convert to fraction form
    373,324.44/515,188.25 = 203,558.57/x
  3. Step 3: Cross multiply
    373,324.44x = 515,188.25 × 203,558.57
  4. Step 4: Simplify right side
    373,324.44x = 104,870,979,857.07
  5. Step 5: Solve for x
    x = 104,870,979,857.07/373,324.44
  6. Step 6: Final answer
    x = 280,911.10

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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.