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Finding the Fourth Proportional to 481,697.52, 664,733.66 and 266,832.88

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Solution

The fourth proportional to 481,697.52, 664,733.66 and 266,832.88 is: 368,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,697.52 : 664,733.66 = 266,832.88 : x
  2. Step 2: Convert to fraction form
    481,697.52/664,733.66 = 266,832.88/x
  3. Step 3: Cross multiply
    481,697.52x = 664,733.66 × 266,832.88
  4. Step 4: Simplify right side
    481,697.52x = 177,372,796,930.74
  5. Step 5: Solve for x
    x = 177,372,796,930.74/481,697.52
  6. Step 6: Final answer
    x = 368,224.43

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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.