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Finding the Fourth Proportional to 379,092.26, 523,174.88 and 217,997.84

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Solution

The fourth proportional to 379,092.26, 523,174.88 and 217,997.84 is: 300,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,092.26 : 523,174.88 = 217,997.84 : x
  2. Step 2: Convert to fraction form
    379,092.26/523,174.88 = 217,997.84/x
  3. Step 3: Cross multiply
    379,092.26x = 523,174.88 × 217,997.84
  4. Step 4: Simplify right side
    379,092.26x = 114,050,993,782.26
  5. Step 5: Solve for x
    x = 114,050,993,782.26/379,092.26
  6. Step 6: Final answer
    x = 300,852.87

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1.5x scale

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.