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Finding the Fourth Proportional to 365,839.20, 547,981.20 and 303,631.20

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Solution

The fourth proportional to 365,839.20, 547,981.20 and 303,631.20 is: 454,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,839.20 : 547,981.20 = 303,631.20 : x
  2. Step 2: Convert to fraction form
    365,839.20/547,981.20 = 303,631.20/x
  3. Step 3: Cross multiply
    365,839.20x = 547,981.20 × 303,631.20
  4. Step 4: Simplify right side
    365,839.20x = 166,384,189,333.44
  5. Step 5: Solve for x
    x = 166,384,189,333.44/365,839.20
  6. Step 6: Final answer
    x = 454,801.42

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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.