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Finding the Fourth Proportional to 274,240.62, 411,412.37 and 124,491.38

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Solution

The fourth proportional to 274,240.62, 411,412.37 and 124,491.38 is: 186,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,240.62 : 411,412.37 = 124,491.38 : x
  2. Step 2: Convert to fraction form
    274,240.62/411,412.37 = 124,491.38/x
  3. Step 3: Cross multiply
    274,240.62x = 411,412.37 × 124,491.38
  4. Step 4: Simplify right side
    274,240.62x = 51,217,291,010.85
  5. Step 5: Solve for x
    x = 51,217,291,010.85/274,240.62
  6. Step 6: Final answer
    x = 186,760.41

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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.