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Finding the Fourth Proportional to 269,747.45, 404,491.89 and 127,474.28

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Solution

The fourth proportional to 269,747.45, 404,491.89 and 127,474.28 is: 191,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,747.45 : 404,491.89 = 127,474.28 : x
  2. Step 2: Convert to fraction form
    269,747.45/404,491.89 = 127,474.28/x
  3. Step 3: Cross multiply
    269,747.45x = 404,491.89 × 127,474.28
  4. Step 4: Simplify right side
    269,747.45x = 51,562,312,443.59
  5. Step 5: Solve for x
    x = 51,562,312,443.59/269,747.45
  6. Step 6: Final answer
    x = 191,150.32

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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.