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Finding the Fourth Proportional to 481,797.55, 664,885.97 and 266,941

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Solution

The fourth proportional to 481,797.55, 664,885.97 and 266,941 is: 368,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,797.55 : 664,885.97 = 266,941 : x
  2. Step 2: Convert to fraction form
    481,797.55/664,885.97 = 266,941/x
  3. Step 3: Cross multiply
    481,797.55x = 664,885.97 × 266,941
  4. Step 4: Simplify right side
    481,797.55x = 177,485,325,717.77
  5. Step 5: Solve for x
    x = 177,485,325,717.77/481,797.55
  6. Step 6: Final answer
    x = 368,381.54

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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.