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Finding the Fourth Proportional to 365,944.20, 548,138.70 and 303,736.20

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Solution

The fourth proportional to 365,944.20, 548,138.70 and 303,736.20 is: 454,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,944.20 : 548,138.70 = 303,736.20 : x
  2. Step 2: Convert to fraction form
    365,944.20/548,138.70 = 303,736.20/x
  3. Step 3: Cross multiply
    365,944.20x = 548,138.70 × 303,736.20
  4. Step 4: Simplify right side
    365,944.20x = 166,489,565,810.94
  5. Step 5: Solve for x
    x = 166,489,565,810.94/365,944.20
  6. Step 6: Final answer
    x = 454,958.89

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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.