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Finding the Fourth Proportional to 244,640.70, 366,961.05 and 213,536.70

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Solution

The fourth proportional to 244,640.70, 366,961.05 and 213,536.70 is: 320,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,640.70 : 366,961.05 = 213,536.70 : x
  2. Step 2: Convert to fraction form
    244,640.70/366,961.05 = 213,536.70/x
  3. Step 3: Cross multiply
    244,640.70x = 366,961.05 × 213,536.70
  4. Step 4: Simplify right side
    244,640.70x = 78,359,651,645.54
  5. Step 5: Solve for x
    x = 78,359,651,645.54/244,640.70
  6. Step 6: Final answer
    x = 320,305.05

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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.