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Finding the Fourth Proportional to 339,550.22, 509,008.76 and 114,753.48

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Solution

The fourth proportional to 339,550.22, 509,008.76 and 114,753.48 is: 172,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,550.22 : 509,008.76 = 114,753.48 : x
  2. Step 2: Convert to fraction form
    339,550.22/509,008.76 = 114,753.48/x
  3. Step 3: Cross multiply
    339,550.22x = 509,008.76 × 114,753.48
  4. Step 4: Simplify right side
    339,550.22x = 58,410,526,560.48
  5. Step 5: Solve for x
    x = 58,410,526,560.48/339,550.22
  6. Step 6: Final answer
    x = 172,023.23

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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.