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Finding the Fourth Proportional to 376,183.43, 519,133.14 and 215,042.08

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Solution

The fourth proportional to 376,183.43, 519,133.14 and 215,042.08 is: 296,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,183.43 : 519,133.14 = 215,042.08 : x
  2. Step 2: Convert to fraction form
    376,183.43/519,133.14 = 215,042.08/x
  3. Step 3: Cross multiply
    376,183.43x = 519,133.14 × 215,042.08
  4. Step 4: Simplify right side
    376,183.43x = 111,635,466,551.66
  5. Step 5: Solve for x
    x = 111,635,466,551.66/376,183.43
  6. Step 6: Final answer
    x = 296,758.06

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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.