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Finding the Fourth Proportional to 481,462.11, 664,409.50 and 266,597.56

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Solution

The fourth proportional to 481,462.11, 664,409.50 and 266,597.56 is: 367,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,462.11 : 664,409.50 = 266,597.56 : x
  2. Step 2: Convert to fraction form
    481,462.11/664,409.50 = 266,597.56/x
  3. Step 3: Cross multiply
    481,462.11x = 664,409.50 × 266,597.56
  4. Step 4: Simplify right side
    481,462.11x = 177,129,951,540.82
  5. Step 5: Solve for x
    x = 177,129,951,540.82/481,462.11
  6. Step 6: Final answer
    x = 367,900.09

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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.