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Finding the Fourth Proportional to 329,668.62, 494,504.13 and 80,350.62

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Solution

The fourth proportional to 329,668.62, 494,504.13 and 80,350.62 is: 120,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,668.62 : 494,504.13 = 80,350.62 : x
  2. Step 2: Convert to fraction form
    329,668.62/494,504.13 = 80,350.62/x
  3. Step 3: Cross multiply
    329,668.62x = 494,504.13 × 80,350.62
  4. Step 4: Simplify right side
    329,668.62x = 39,733,713,438.06
  5. Step 5: Solve for x
    x = 39,733,713,438.06/329,668.62
  6. Step 6: Final answer
    x = 120,526.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.