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Finding the Fourth Proportional to 376,794.24, 519,976 and 207,022.72

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Solution

The fourth proportional to 376,794.24, 519,976 and 207,022.72 is: 285,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,794.24 : 519,976 = 207,022.72 : x
  2. Step 2: Convert to fraction form
    376,794.24/519,976 = 207,022.72/x
  3. Step 3: Cross multiply
    376,794.24x = 519,976 × 207,022.72
  4. Step 4: Simplify right side
    376,794.24x = 107,646,845,854.72
  5. Step 5: Solve for x
    x = 107,646,845,854.72/376,794.24
  6. Step 6: Final answer
    x = 285,691.33

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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.