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Finding the Fourth Proportional to 373,191.26, 515,003.96 and 203,425.39

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Solution

The fourth proportional to 373,191.26, 515,003.96 and 203,425.39 is: 280,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,191.26 : 515,003.96 = 203,425.39 : x
  2. Step 2: Convert to fraction form
    373,191.26/515,003.96 = 203,425.39/x
  3. Step 3: Cross multiply
    373,191.26x = 515,003.96 × 203,425.39
  4. Step 4: Simplify right side
    373,191.26x = 104,764,877,822.40
  5. Step 5: Solve for x
    x = 104,764,877,822.40/373,191.26
  6. Step 6: Final answer
    x = 280,727.04

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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.