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Finding the Fourth Proportional to 308,874.20, 463,610.90 and 149,062.62

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Solution

The fourth proportional to 308,874.20, 463,610.90 and 149,062.62 is: 223,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,874.20 : 463,610.90 = 149,062.62 : x
  2. Step 2: Convert to fraction form
    308,874.20/463,610.90 = 149,062.62/x
  3. Step 3: Cross multiply
    308,874.20x = 463,610.90 × 149,062.62
  4. Step 4: Simplify right side
    308,874.20x = 69,107,055,787.21
  5. Step 5: Solve for x
    x = 69,107,055,787.21/308,874.20
  6. Step 6: Final answer
    x = 223,738.52

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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.