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Finding the Fourth Proportional to 844,720.14, 1,165,797.45 and 482,198.57

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Solution

The fourth proportional to 844,720.14, 1,165,797.45 and 482,198.57 is: 665,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,720.14 : 1,165,797.45 = 482,198.57 : x
  2. Step 2: Convert to fraction form
    844,720.14/1,165,797.45 = 482,198.57/x
  3. Step 3: Cross multiply
    844,720.14x = 1,165,797.45 × 482,198.57
  4. Step 4: Simplify right side
    844,720.14x = 562,145,857,470.66
  5. Step 5: Solve for x
    x = 562,145,857,470.66/844,720.14
  6. Step 6: Final answer
    x = 665,481.77

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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.