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Finding the Fourth Proportional to 339,372.59, 508,451.68 and 226,711.71

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Solution

The fourth proportional to 339,372.59, 508,451.68 and 226,711.71 is: 339,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,372.59 : 508,451.68 = 226,711.71 : x
  2. Step 2: Convert to fraction form
    339,372.59/508,451.68 = 226,711.71/x
  3. Step 3: Cross multiply
    339,372.59x = 508,451.68 × 226,711.71
  4. Step 4: Simplify right side
    339,372.59x = 115,271,950,108.56
  5. Step 5: Solve for x
    x = 115,271,950,108.56/339,372.59
  6. Step 6: Final answer
    x = 339,661.94

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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.