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Finding the Fourth Proportional to 300,589.25, 448,231.43 and 297,889.66

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Solution

The fourth proportional to 300,589.25, 448,231.43 and 297,889.66 is: 444,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,589.25 : 448,231.43 = 297,889.66 : x
  2. Step 2: Convert to fraction form
    300,589.25/448,231.43 = 297,889.66/x
  3. Step 3: Cross multiply
    300,589.25x = 448,231.43 × 297,889.66
  4. Step 4: Simplify right side
    300,589.25x = 133,523,509,589.03
  5. Step 5: Solve for x
    x = 133,523,509,589.03/300,589.25
  6. Step 6: Final answer
    x = 444,205.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.