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Finding the Fourth Proportional to 339,332.34, 508,914.44 and 114,687.80

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Solution

The fourth proportional to 339,332.34, 508,914.44 and 114,687.80 is: 172,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,332.34 : 508,914.44 = 114,687.80 : x
  2. Step 2: Convert to fraction form
    339,332.34/508,914.44 = 114,687.80/x
  3. Step 3: Cross multiply
    339,332.34x = 508,914.44 × 114,687.80
  4. Step 4: Simplify right side
    339,332.34x = 58,366,277,377.45
  5. Step 5: Solve for x
    x = 58,366,277,377.45/339,332.34
  6. Step 6: Final answer
    x = 172,003.29

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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.