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Finding the Fourth Proportional to 379,524.72, 569,380.50 and 267,423.84

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Solution

The fourth proportional to 379,524.72, 569,380.50 and 267,423.84 is: 401,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,524.72 : 569,380.50 = 267,423.84 : x
  2. Step 2: Convert to fraction form
    379,524.72/569,380.50 = 267,423.84/x
  3. Step 3: Cross multiply
    379,524.72x = 569,380.50 × 267,423.84
  4. Step 4: Simplify right side
    379,524.72x = 152,265,919,731.12
  5. Step 5: Solve for x
    x = 152,265,919,731.12/379,524.72
  6. Step 6: Final answer
    x = 401,201.59

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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.