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Finding the Fourth Proportional to 379,606.91, 523,863.77 and 226,658.48

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Solution

The fourth proportional to 379,606.91, 523,863.77 and 226,658.48 is: 312,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,606.91 : 523,863.77 = 226,658.48 : x
  2. Step 2: Convert to fraction form
    379,606.91/523,863.77 = 226,658.48/x
  3. Step 3: Cross multiply
    379,606.91x = 523,863.77 × 226,658.48
  4. Step 4: Simplify right side
    379,606.91x = 118,738,162,082.66
  5. Step 5: Solve for x
    x = 118,738,162,082.66/379,606.91
  6. Step 6: Final answer
    x = 312,792.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.