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Finding the Fourth Proportional to 376,577.32, 519,676.05 and 206,811.44

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Solution

The fourth proportional to 376,577.32, 519,676.05 and 206,811.44 is: 285,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,577.32 : 519,676.05 = 206,811.44 : x
  2. Step 2: Convert to fraction form
    376,577.32/519,676.05 = 206,811.44/x
  3. Step 3: Cross multiply
    376,577.32x = 519,676.05 × 206,811.44
  4. Step 4: Simplify right side
    376,577.32x = 107,474,952,234.01
  5. Step 5: Solve for x
    x = 107,474,952,234.01/376,577.32
  6. Step 6: Final answer
    x = 285,399.43

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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.