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Finding the Fourth Proportional to 355,183.85, 490,160.94 and 194,049.32

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Solution

The fourth proportional to 355,183.85, 490,160.94 and 194,049.32 is: 267,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,183.85 : 490,160.94 = 194,049.32 : x
  2. Step 2: Convert to fraction form
    355,183.85/490,160.94 = 194,049.32/x
  3. Step 3: Cross multiply
    355,183.85x = 490,160.94 × 194,049.32
  4. Step 4: Simplify right side
    355,183.85x = 95,115,397,097.56
  5. Step 5: Solve for x
    x = 95,115,397,097.56/355,183.85
  6. Step 6: Final answer
    x = 267,792.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.