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Finding the Fourth Proportional to 367,819.91, 551,726.34 and 217,952.32

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Solution

The fourth proportional to 367,819.91, 551,726.34 and 217,952.32 is: 326,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,819.91 : 551,726.34 = 217,952.32 : x
  2. Step 2: Convert to fraction form
    367,819.91/551,726.34 = 217,952.32/x
  3. Step 3: Cross multiply
    367,819.91x = 551,726.34 × 217,952.32
  4. Step 4: Simplify right side
    367,819.91x = 120,250,034,645.96
  5. Step 5: Solve for x
    x = 120,250,034,645.96/367,819.91
  6. Step 6: Final answer
    x = 326,926.39

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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.