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Finding the Fourth Proportional to 373,203.36, 515,025.90 and 203,437.44

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Solution

The fourth proportional to 373,203.36, 515,025.90 and 203,437.44 is: 280,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,203.36 : 515,025.90 = 203,437.44 : x
  2. Step 2: Convert to fraction form
    373,203.36/515,025.90 = 203,437.44/x
  3. Step 3: Cross multiply
    373,203.36x = 515,025.90 × 203,437.44
  4. Step 4: Simplify right side
    373,203.36x = 104,775,550,629.70
  5. Step 5: Solve for x
    x = 104,775,550,629.70/373,203.36
  6. Step 6: Final answer
    x = 280,746.54

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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.