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Finding the Fourth Proportional to 273,726.20, 410,819.70 and 133,604.60

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Solution

The fourth proportional to 273,726.20, 410,819.70 and 133,604.60 is: 200,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,726.20 : 410,819.70 = 133,604.60 : x
  2. Step 2: Convert to fraction form
    273,726.20/410,819.70 = 133,604.60/x
  3. Step 3: Cross multiply
    273,726.20x = 410,819.70 × 133,604.60
  4. Step 4: Simplify right side
    273,726.20x = 54,887,401,690.62
  5. Step 5: Solve for x
    x = 54,887,401,690.62/273,726.20
  6. Step 6: Final answer
    x = 200,519.36

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1.5x scale

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.