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Finding the Fourth Proportional to 461,241.06, 636,485.22 and 267,633.78

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Solution

The fourth proportional to 461,241.06, 636,485.22 and 267,633.78 is: 369,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,241.06 : 636,485.22 = 267,633.78 : x
  2. Step 2: Convert to fraction form
    461,241.06/636,485.22 = 267,633.78/x
  3. Step 3: Cross multiply
    461,241.06x = 636,485.22 × 267,633.78
  4. Step 4: Simplify right side
    461,241.06x = 170,344,945,342.73
  5. Step 5: Solve for x
    x = 170,344,945,342.73/461,241.06
  6. Step 6: Final answer
    x = 369,318.69

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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.