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Finding the Fourth Proportional to 329,601.87, 494,403.62 and 92,945.79

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Solution

The fourth proportional to 329,601.87, 494,403.62 and 92,945.79 is: 139,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,601.87 : 494,403.62 = 92,945.79 : x
  2. Step 2: Convert to fraction form
    329,601.87/494,403.62 = 92,945.79/x
  3. Step 3: Cross multiply
    329,601.87x = 494,403.62 × 92,945.79
  4. Step 4: Simplify right side
    329,601.87x = 45,952,734,575.03
  5. Step 5: Solve for x
    x = 45,952,734,575.03/329,601.87
  6. Step 6: Final answer
    x = 139,418.91

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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.