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Finding the Fourth Proportional to 339,021.82, 508,329.74 and 114,377.28

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Solution

The fourth proportional to 339,021.82, 508,329.74 and 114,377.28 is: 171,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,021.82 : 508,329.74 = 114,377.28 : x
  2. Step 2: Convert to fraction form
    339,021.82/508,329.74 = 114,377.28/x
  3. Step 3: Cross multiply
    339,021.82x = 508,329.74 × 114,377.28
  4. Step 4: Simplify right side
    339,021.82x = 58,141,371,384.01
  5. Step 5: Solve for x
    x = 58,141,371,384.01/339,021.82
  6. Step 6: Final answer
    x = 171,497.43

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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.