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Finding the Fourth Proportional to 331,007.88, 496,589.58 and 94,353.96

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Solution

The fourth proportional to 331,007.88, 496,589.58 and 94,353.96 is: 141,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,007.88 : 496,589.58 = 94,353.96 : x
  2. Step 2: Convert to fraction form
    331,007.88/496,589.58 = 94,353.96/x
  3. Step 3: Cross multiply
    331,007.88x = 496,589.58 × 94,353.96
  4. Step 4: Simplify right side
    331,007.88x = 46,855,193,367.74
  5. Step 5: Solve for x
    x = 46,855,193,367.74/331,007.88
  6. Step 6: Final answer
    x = 141,553.11

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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.