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Finding the Fourth Proportional to 449,908.45, 675,033.12 and 270,119.43

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Solution

The fourth proportional to 449,908.45, 675,033.12 and 270,119.43 is: 405,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,908.45 : 675,033.12 = 270,119.43 : x
  2. Step 2: Convert to fraction form
    449,908.45/675,033.12 = 270,119.43/x
  3. Step 3: Cross multiply
    449,908.45x = 675,033.12 × 270,119.43
  4. Step 4: Simplify right side
    449,908.45x = 182,339,561,605.52
  5. Step 5: Solve for x
    x = 182,339,561,605.52/449,908.45
  6. Step 6: Final answer
    x = 405,281.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.