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Finding the Fourth Proportional to 379,659.64, 523,843.26 and 226,668.04

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Solution

The fourth proportional to 379,659.64, 523,843.26 and 226,668.04 is: 312,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,659.64 : 523,843.26 = 226,668.04 : x
  2. Step 2: Convert to fraction form
    379,659.64/523,843.26 = 226,668.04/x
  3. Step 3: Cross multiply
    379,659.64x = 523,843.26 × 226,668.04
  4. Step 4: Simplify right side
    379,659.64x = 118,738,525,011.41
  5. Step 5: Solve for x
    x = 118,738,525,011.41/379,659.64
  6. Step 6: Final answer
    x = 312,749.93

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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.