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Finding the Fourth Proportional to 322,668.43, 445,293.23 and 177,480.34

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Solution

The fourth proportional to 322,668.43, 445,293.23 and 177,480.34 is: 244,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,668.43 : 445,293.23 = 177,480.34 : x
  2. Step 2: Convert to fraction form
    322,668.43/445,293.23 = 177,480.34/x
  3. Step 3: Cross multiply
    322,668.43x = 445,293.23 × 177,480.34
  4. Step 4: Simplify right side
    322,668.43x = 79,030,791,859.46
  5. Step 5: Solve for x
    x = 79,030,791,859.46/322,668.43
  6. Step 6: Final answer
    x = 244,928.80

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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.