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Finding the Fourth Proportional to 308,626, 425,906.44 and 167,314

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Solution

The fourth proportional to 308,626, 425,906.44 and 167,314 is: 230,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,626 : 425,906.44 = 167,314 : x
  2. Step 2: Convert to fraction form
    308,626/425,906.44 = 167,314/x
  3. Step 3: Cross multiply
    308,626x = 425,906.44 × 167,314
  4. Step 4: Simplify right side
    308,626x = 71,260,110,102.16
  5. Step 5: Solve for x
    x = 71,260,110,102.16/308,626
  6. Step 6: Final answer
    x = 230,894.71

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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.