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Finding the Fourth Proportional to 379,306.46, 569,239.65 and 179,626.46

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Solution

The fourth proportional to 379,306.46, 569,239.65 and 179,626.46 is: 269,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,306.46 : 569,239.65 = 179,626.46 : x
  2. Step 2: Convert to fraction form
    379,306.46/569,239.65 = 179,626.46/x
  3. Step 3: Cross multiply
    379,306.46x = 569,239.65 × 179,626.46
  4. Step 4: Simplify right side
    379,306.46x = 102,250,503,221.14
  5. Step 5: Solve for x
    x = 102,250,503,221.14/379,306.46
  6. Step 6: Final answer
    x = 269,572.27

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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.