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Finding the Fourth Proportional to 481,469.82, 664,420.18 and 266,605.27

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Solution

The fourth proportional to 481,469.82, 664,420.18 and 266,605.27 is: 367,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,469.82 : 664,420.18 = 266,605.27 : x
  2. Step 2: Convert to fraction form
    481,469.82/664,420.18 = 266,605.27/x
  3. Step 3: Cross multiply
    481,469.82x = 664,420.18 × 266,605.27
  4. Step 4: Simplify right side
    481,469.82x = 177,137,916,827.22
  5. Step 5: Solve for x
    x = 177,137,916,827.22/481,469.82
  6. Step 6: Final answer
    x = 367,910.74

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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.