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Finding the Fourth Proportional to 404,387.92, 606,584.32 and 179,695.56

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Solution

The fourth proportional to 404,387.92, 606,584.32 and 179,695.56 is: 269,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,387.92 : 606,584.32 = 179,695.56 : x
  2. Step 2: Convert to fraction form
    404,387.92/606,584.32 = 179,695.56/x
  3. Step 3: Cross multiply
    404,387.92x = 606,584.32 × 179,695.56
  4. Step 4: Simplify right side
    404,387.92x = 109,000,509,069.62
  5. Step 5: Solve for x
    x = 109,000,509,069.62/404,387.92
  6. Step 6: Final answer
    x = 269,544.42

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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.