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Finding the Fourth Proportional to 386,027.22, 532,704.68 and 213,937.86

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Solution

The fourth proportional to 386,027.22, 532,704.68 and 213,937.86 is: 295,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,027.22 : 532,704.68 = 213,937.86 : x
  2. Step 2: Convert to fraction form
    386,027.22/532,704.68 = 213,937.86/x
  3. Step 3: Cross multiply
    386,027.22x = 532,704.68 × 213,937.86
  4. Step 4: Simplify right side
    386,027.22x = 113,965,699,251.19
  5. Step 5: Solve for x
    x = 113,965,699,251.19/386,027.22
  6. Step 6: Final answer
    x = 295,227.11

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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.