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Finding the Fourth Proportional to 481,832.23, 664,900.50 and 266,959.48

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Solution

The fourth proportional to 481,832.23, 664,900.50 and 266,959.48 is: 368,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,832.23 : 664,900.50 = 266,959.48 : x
  2. Step 2: Convert to fraction form
    481,832.23/664,900.50 = 266,959.48/x
  3. Step 3: Cross multiply
    481,832.23x = 664,900.50 × 266,959.48
  4. Step 4: Simplify right side
    481,832.23x = 177,501,491,731.74
  5. Step 5: Solve for x
    x = 177,501,491,731.74/481,832.23
  6. Step 6: Final answer
    x = 368,388.58

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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.