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Finding the Fourth Proportional to 481,636.02, 664,650.36 and 263,843.04

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Solution

The fourth proportional to 481,636.02, 664,650.36 and 263,843.04 is: 364,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,636.02 : 664,650.36 = 263,843.04 : x
  2. Step 2: Convert to fraction form
    481,636.02/664,650.36 = 263,843.04/x
  3. Step 3: Cross multiply
    481,636.02x = 664,650.36 × 263,843.04
  4. Step 4: Simplify right side
    481,636.02x = 175,363,371,519.49
  5. Step 5: Solve for x
    x = 175,363,371,519.49/481,636.02
  6. Step 6: Final answer
    x = 364,099.37

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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.