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Finding the Fourth Proportional to 447,387.96, 670,520.06 and 267,606.02

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Solution

The fourth proportional to 447,387.96, 670,520.06 and 267,606.02 is: 401,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,387.96 : 670,520.06 = 267,606.02 : x
  2. Step 2: Convert to fraction form
    447,387.96/670,520.06 = 267,606.02/x
  3. Step 3: Cross multiply
    447,387.96x = 670,520.06 × 267,606.02
  4. Step 4: Simplify right side
    447,387.96x = 179,435,204,586.76
  5. Step 5: Solve for x
    x = 179,435,204,586.76/447,387.96
  6. Step 6: Final answer
    x = 401,072.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.