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Finding the Fourth Proportional to 322,627.16, 445,336.23 and 195,302.79

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Solution

The fourth proportional to 322,627.16, 445,336.23 and 195,302.79 is: 269,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,627.16 : 445,336.23 = 195,302.79 : x
  2. Step 2: Convert to fraction form
    322,627.16/445,336.23 = 195,302.79/x
  3. Step 3: Cross multiply
    322,627.16x = 445,336.23 × 195,302.79
  4. Step 4: Simplify right side
    322,627.16x = 86,975,408,207.08
  5. Step 5: Solve for x
    x = 86,975,408,207.08/322,627.16
  6. Step 6: Final answer
    x = 269,584.90

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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.