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Finding the Fourth Proportional to 367,344.49, 550,912.41 and 142,656.97

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Solution

The fourth proportional to 367,344.49, 550,912.41 and 142,656.97 is: 213,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,344.49 : 550,912.41 = 142,656.97 : x
  2. Step 2: Convert to fraction form
    367,344.49/550,912.41 = 142,656.97/x
  3. Step 3: Cross multiply
    367,344.49x = 550,912.41 × 142,656.97
  4. Step 4: Simplify right side
    367,344.49x = 78,591,495,146.00
  5. Step 5: Solve for x
    x = 78,591,495,146.00/367,344.49
  6. Step 6: Final answer
    x = 213,944.94

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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.