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Finding the Fourth Proportional to 493,980.72, 681,694.07 and 267,626.22

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Solution

The fourth proportional to 493,980.72, 681,694.07 and 267,626.22 is: 369,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,980.72 : 681,694.07 = 267,626.22 : x
  2. Step 2: Convert to fraction form
    493,980.72/681,694.07 = 267,626.22/x
  3. Step 3: Cross multiply
    493,980.72x = 681,694.07 × 267,626.22
  4. Step 4: Simplify right side
    493,980.72x = 182,439,205,812.38
  5. Step 5: Solve for x
    x = 182,439,205,812.38/493,980.72
  6. Step 6: Final answer
    x = 369,324.55

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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.