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Finding the Fourth Proportional to 376,992.61, 520,167.24 and 224,081.62

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Solution

The fourth proportional to 376,992.61, 520,167.24 and 224,081.62 is: 309,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,992.61 : 520,167.24 = 224,081.62 : x
  2. Step 2: Convert to fraction form
    376,992.61/520,167.24 = 224,081.62/x
  3. Step 3: Cross multiply
    376,992.61x = 520,167.24 × 224,081.62
  4. Step 4: Simplify right side
    376,992.61x = 116,559,917,810.13
  5. Step 5: Solve for x
    x = 116,559,917,810.13/376,992.61
  6. Step 6: Final answer
    x = 309,183.56

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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.