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Finding the Fourth Proportional to 329,925.33, 494,883.68 and 80,609.49

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Solution

The fourth proportional to 329,925.33, 494,883.68 and 80,609.49 is: 120,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,925.33 : 494,883.68 = 80,609.49 : x
  2. Step 2: Convert to fraction form
    329,925.33/494,883.68 = 80,609.49/x
  3. Step 3: Cross multiply
    329,925.33x = 494,883.68 × 80,609.49
  4. Step 4: Simplify right side
    329,925.33x = 39,892,320,651.08
  5. Step 5: Solve for x
    x = 39,892,320,651.08/329,925.33
  6. Step 6: Final answer
    x = 120,913.18

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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.