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Finding the Fourth Proportional to 481,396.82, 664,348.37 and 266,536.88

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Solution

The fourth proportional to 481,396.82, 664,348.37 and 266,536.88 is: 367,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,396.82 : 664,348.37 = 266,536.88 : x
  2. Step 2: Convert to fraction form
    481,396.82/664,348.37 = 266,536.88/x
  3. Step 3: Cross multiply
    481,396.82x = 664,348.37 × 266,536.88
  4. Step 4: Simplify right side
    481,396.82x = 177,073,341,772.89
  5. Step 5: Solve for x
    x = 177,073,341,772.89/481,396.82
  6. Step 6: Final answer
    x = 367,832.39

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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.