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Finding the Fourth Proportional to 338,269.72, 466,600.98 and 217,568.44

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Solution

The fourth proportional to 338,269.72, 466,600.98 and 217,568.44 is: 300,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,269.72 : 466,600.98 = 217,568.44 : x
  2. Step 2: Convert to fraction form
    338,269.72/466,600.98 = 217,568.44/x
  3. Step 3: Cross multiply
    338,269.72x = 466,600.98 × 217,568.44
  4. Step 4: Simplify right side
    338,269.72x = 101,517,647,321.07
  5. Step 5: Solve for x
    x = 101,517,647,321.07/338,269.72
  6. Step 6: Final answer
    x = 300,108.59

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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.