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Finding the Fourth Proportional to 322,866.90, 445,556.33 and 179,626.91

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Solution

The fourth proportional to 322,866.90, 445,556.33 and 179,626.91 is: 247,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,866.90 : 445,556.33 = 179,626.91 : x
  2. Step 2: Convert to fraction form
    322,866.90/445,556.33 = 179,626.91/x
  3. Step 3: Cross multiply
    322,866.90x = 445,556.33 × 179,626.91
  4. Step 4: Simplify right side
    322,866.90x = 80,033,903,662.92
  5. Step 5: Solve for x
    x = 80,033,903,662.92/322,866.90
  6. Step 6: Final answer
    x = 247,885.13

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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.