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Finding the Fourth Proportional to 339,196.98, 508,320.26 and 254,903.26

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Solution

The fourth proportional to 339,196.98, 508,320.26 and 254,903.26 is: 381,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,196.98 : 508,320.26 = 254,903.26 : x
  2. Step 2: Convert to fraction form
    339,196.98/508,320.26 = 254,903.26/x
  3. Step 3: Cross multiply
    339,196.98x = 508,320.26 × 254,903.26
  4. Step 4: Simplify right side
    339,196.98x = 129,572,491,398.05
  5. Step 5: Solve for x
    x = 129,572,491,398.05/339,196.98
  6. Step 6: Final answer
    x = 381,997.77

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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.