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Finding the Fourth Proportional to 481,198.60, 664,037.22 and 266,339.08

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Solution

The fourth proportional to 481,198.60, 664,037.22 and 266,339.08 is: 367,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,198.60 : 664,037.22 = 266,339.08 : x
  2. Step 2: Convert to fraction form
    481,198.60/664,037.22 = 266,339.08/x
  3. Step 3: Cross multiply
    481,198.60x = 664,037.22 × 266,339.08
  4. Step 4: Simplify right side
    481,198.60x = 176,859,062,260.56
  5. Step 5: Solve for x
    x = 176,859,062,260.56/481,198.60
  6. Step 6: Final answer
    x = 367,538.61

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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.