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Finding the Fourth Proportional to 646,847.22, 970,458.03 and 267,697.97

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Solution

The fourth proportional to 646,847.22, 970,458.03 and 267,697.97 is: 401,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,847.22 : 970,458.03 = 267,697.97 : x
  2. Step 2: Convert to fraction form
    646,847.22/970,458.03 = 267,697.97/x
  3. Step 3: Cross multiply
    646,847.22x = 970,458.03 × 267,697.97
  4. Step 4: Simplify right side
    646,847.22x = 259,789,639,748.91
  5. Step 5: Solve for x
    x = 259,789,639,748.91/646,847.22
  6. Step 6: Final answer
    x = 401,624.42

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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.