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Finding the Fourth Proportional to 496,446.44, 685,097.70 and 270,091.88

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Solution

The fourth proportional to 496,446.44, 685,097.70 and 270,091.88 is: 372,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,446.44 : 685,097.70 = 270,091.88 : x
  2. Step 2: Convert to fraction form
    496,446.44/685,097.70 = 270,091.88/x
  3. Step 3: Cross multiply
    496,446.44x = 685,097.70 × 270,091.88
  4. Step 4: Simplify right side
    496,446.44x = 185,039,325,776.68
  5. Step 5: Solve for x
    x = 185,039,325,776.68/496,446.44
  6. Step 6: Final answer
    x = 372,727.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.