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Finding the Fourth Proportional to 339,542.23, 508,996.76 and 114,745.46

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Solution

The fourth proportional to 339,542.23, 508,996.76 and 114,745.46 is: 172,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,542.23 : 508,996.76 = 114,745.46 : x
  2. Step 2: Convert to fraction form
    339,542.23/508,996.76 = 114,745.46/x
  3. Step 3: Cross multiply
    339,542.23x = 508,996.76 × 114,745.46
  4. Step 4: Simplify right side
    339,542.23x = 58,405,067,754.55
  5. Step 5: Solve for x
    x = 58,405,067,754.55/339,542.23
  6. Step 6: Final answer
    x = 172,011.20

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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.