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Finding the Fourth Proportional to 481,212.31, 664,078.89 and 266,372.41

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Solution

The fourth proportional to 481,212.31, 664,078.89 and 266,372.41 is: 367,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,212.31 : 664,078.89 = 266,372.41 : x
  2. Step 2: Convert to fraction form
    481,212.31/664,078.89 = 266,372.41/x
  3. Step 3: Cross multiply
    481,212.31x = 664,078.89 × 266,372.41
  4. Step 4: Simplify right side
    481,212.31x = 176,892,294,359.43
  5. Step 5: Solve for x
    x = 176,892,294,359.43/481,212.31
  6. Step 6: Final answer
    x = 367,597.19

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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.