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Finding the Fourth Proportional to 273,730.20, 410,522.40 and 84,190.20

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Solution

The fourth proportional to 273,730.20, 410,522.40 and 84,190.20 is: 126,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,730.20 : 410,522.40 = 84,190.20 : x
  2. Step 2: Convert to fraction form
    273,730.20/410,522.40 = 84,190.20/x
  3. Step 3: Cross multiply
    273,730.20x = 410,522.40 × 84,190.20
  4. Step 4: Simplify right side
    273,730.20x = 34,561,962,960.48
  5. Step 5: Solve for x
    x = 34,561,962,960.48/273,730.20
  6. Step 6: Final answer
    x = 126,262.88

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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.