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Finding the Fourth Proportional to 373,105.08, 514,870.02 and 203,335.56

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Solution

The fourth proportional to 373,105.08, 514,870.02 and 203,335.56 is: 280,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,105.08 : 514,870.02 = 203,335.56 : x
  2. Step 2: Convert to fraction form
    373,105.08/514,870.02 = 203,335.56/x
  3. Step 3: Cross multiply
    373,105.08x = 514,870.02 × 203,335.56
  4. Step 4: Simplify right side
    373,105.08x = 104,691,383,843.91
  5. Step 5: Solve for x
    x = 104,691,383,843.91/373,105.08
  6. Step 6: Final answer
    x = 280,594.90

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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.