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Finding the Fourth Proportional to 322,860.69, 445,553.73 and 179,634.06

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Solution

The fourth proportional to 322,860.69, 445,553.73 and 179,634.06 is: 247,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,860.69 : 445,553.73 = 179,634.06 : x
  2. Step 2: Convert to fraction form
    322,860.69/445,553.73 = 179,634.06/x
  3. Step 3: Cross multiply
    322,860.69x = 445,553.73 × 179,634.06
  4. Step 4: Simplify right side
    322,860.69x = 80,036,625,468.04
  5. Step 5: Solve for x
    x = 80,036,625,468.04/322,860.69
  6. Step 6: Final answer
    x = 247,898.33

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1.5x scale

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.