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Finding the Fourth Proportional to 270,591.22, 405,910.73 and 70,910.83

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Solution

The fourth proportional to 270,591.22, 405,910.73 and 70,910.83 is: 106,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,591.22 : 405,910.73 = 70,910.83 : x
  2. Step 2: Convert to fraction form
    270,591.22/405,910.73 = 70,910.83/x
  3. Step 3: Cross multiply
    270,591.22x = 405,910.73 × 70,910.83
  4. Step 4: Simplify right side
    270,591.22x = 28,783,466,770.21
  5. Step 5: Solve for x
    x = 28,783,466,770.21/270,591.22
  6. Step 6: Final answer
    x = 106,372.51

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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.