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Finding the Fourth Proportional to 326,251.48, 449,750.46 and 230,589.40

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Solution

The fourth proportional to 326,251.48, 449,750.46 and 230,589.40 is: 317,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,251.48 : 449,750.46 = 230,589.40 : x
  2. Step 2: Convert to fraction form
    326,251.48/449,750.46 = 230,589.40/x
  3. Step 3: Cross multiply
    326,251.48x = 449,750.46 × 230,589.40
  4. Step 4: Simplify right side
    326,251.48x = 103,707,688,721.12
  5. Step 5: Solve for x
    x = 103,707,688,721.12/326,251.48
  6. Step 6: Final answer
    x = 317,876.53

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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.