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Finding the Fourth Proportional to 329,697.56, 494,545.26 and 119,285.48

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Solution

The fourth proportional to 329,697.56, 494,545.26 and 119,285.48 is: 178,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,697.56 : 494,545.26 = 119,285.48 : x
  2. Step 2: Convert to fraction form
    329,697.56/494,545.26 = 119,285.48/x
  3. Step 3: Cross multiply
    329,697.56x = 494,545.26 × 119,285.48
  4. Step 4: Simplify right side
    329,697.56x = 58,992,068,720.82
  5. Step 5: Solve for x
    x = 58,992,068,720.82/329,697.56
  6. Step 6: Final answer
    x = 178,927.83

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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.