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Finding the Fourth Proportional to 322,668.48, 445,293.24 and 177,480.38

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Solution

The fourth proportional to 322,668.48, 445,293.24 and 177,480.38 is: 244,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,668.48 : 445,293.24 = 177,480.38 : x
  2. Step 2: Convert to fraction form
    322,668.48/445,293.24 = 177,480.38/x
  3. Step 3: Cross multiply
    322,668.48x = 445,293.24 × 177,480.38
  4. Step 4: Simplify right side
    322,668.48x = 79,030,813,446.63
  5. Step 5: Solve for x
    x = 79,030,813,446.63/322,668.48
  6. Step 6: Final answer
    x = 244,928.83

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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.