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Finding the Fourth Proportional to 777,451.28, 1,166,176.92 and 444,794

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Solution

The fourth proportional to 777,451.28, 1,166,176.92 and 444,794 is: 667,191

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,451.28 : 1,166,176.92 = 444,794 : x
  2. Step 2: Convert to fraction form
    777,451.28/1,166,176.92 = 444,794/x
  3. Step 3: Cross multiply
    777,451.28x = 1,166,176.92 × 444,794
  4. Step 4: Simplify right side
    777,451.28x = 518,708,496,954.48
  5. Step 5: Solve for x
    x = 518,708,496,954.48/777,451.28
  6. Step 6: Final answer
    x = 667,191

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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.