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Finding the Fourth Proportional to 373,102.80, 514,879.92 and 203,335.44

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Solution

The fourth proportional to 373,102.80, 514,879.92 and 203,335.44 is: 280,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,102.80 : 514,879.92 = 203,335.44 : x
  2. Step 2: Convert to fraction form
    373,102.80/514,879.92 = 203,335.44/x
  3. Step 3: Cross multiply
    373,102.80x = 514,879.92 × 203,335.44
  4. Step 4: Simplify right side
    373,102.80x = 104,693,335,080.37
  5. Step 5: Solve for x
    x = 104,693,335,080.37/373,102.80
  6. Step 6: Final answer
    x = 280,601.85

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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.