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Finding the Fourth Proportional to 373,296.26, 515,149.36 and 203,530.39

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Solution

The fourth proportional to 373,296.26, 515,149.36 and 203,530.39 is: 280,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,296.26 : 515,149.36 = 203,530.39 : x
  2. Step 2: Convert to fraction form
    373,296.26/515,149.36 = 203,530.39/x
  3. Step 3: Cross multiply
    373,296.26x = 515,149.36 × 203,530.39
  4. Step 4: Simplify right side
    373,296.26x = 104,848,548,352.35
  5. Step 5: Solve for x
    x = 104,848,548,352.35/373,296.26
  6. Step 6: Final answer
    x = 280,872.22

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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.