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Finding the Fourth Proportional to 379,522.92, 569,377.82 and 267,422.02

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Solution

The fourth proportional to 379,522.92, 569,377.82 and 267,422.02 is: 401,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,522.92 : 569,377.82 = 267,422.02 : x
  2. Step 2: Convert to fraction form
    379,522.92/569,377.82 = 267,422.02/x
  3. Step 3: Cross multiply
    379,522.92x = 569,377.82 × 267,422.02
  4. Step 4: Simplify right side
    379,522.92x = 152,264,166,767.60
  5. Step 5: Solve for x
    x = 152,264,166,767.60/379,522.92
  6. Step 6: Final answer
    x = 401,198.87

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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.