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Finding the Fourth Proportional to 404,249.82, 606,435.27 and 130,604.58

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Solution

The fourth proportional to 404,249.82, 606,435.27 and 130,604.58 is: 195,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,249.82 : 606,435.27 = 130,604.58 : x
  2. Step 2: Convert to fraction form
    404,249.82/606,435.27 = 130,604.58/x
  3. Step 3: Cross multiply
    404,249.82x = 606,435.27 × 130,604.58
  4. Step 4: Simplify right side
    404,249.82x = 79,203,223,735.54
  5. Step 5: Solve for x
    x = 79,203,223,735.54/404,249.82
  6. Step 6: Final answer
    x = 195,926.43

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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.