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Finding the Fourth Proportional to 326,787.86, 450,958.23 and 181,589.89

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Solution

The fourth proportional to 326,787.86, 450,958.23 and 181,589.89 is: 250,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,787.86 : 450,958.23 = 181,589.89 : x
  2. Step 2: Convert to fraction form
    326,787.86/450,958.23 = 181,589.89/x
  3. Step 3: Cross multiply
    326,787.86x = 450,958.23 × 181,589.89
  4. Step 4: Simplify right side
    326,787.86x = 81,889,455,380.29
  5. Step 5: Solve for x
    x = 81,889,455,380.29/326,787.86
  6. Step 6: Final answer
    x = 250,589.04

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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.