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Finding the Fourth Proportional to 331,176.60, 496,983.60 and 189,021.60

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Solution

The fourth proportional to 331,176.60, 496,983.60 and 189,021.60 is: 283,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,176.60 : 496,983.60 = 189,021.60 : x
  2. Step 2: Convert to fraction form
    331,176.60/496,983.60 = 189,021.60/x
  3. Step 3: Cross multiply
    331,176.60x = 496,983.60 × 189,021.60
  4. Step 4: Simplify right side
    331,176.60x = 93,940,635,245.76
  5. Step 5: Solve for x
    x = 93,940,635,245.76/331,176.60
  6. Step 6: Final answer
    x = 283,657.22

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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.