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Finding the Fourth Proportional to 379,524.57, 569,380.25 and 267,423.63

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Solution

The fourth proportional to 379,524.57, 569,380.25 and 267,423.63 is: 401,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,524.57 : 569,380.25 = 267,423.63 : x
  2. Step 2: Convert to fraction form
    379,524.57/569,380.25 = 267,423.63/x
  3. Step 3: Cross multiply
    379,524.57x = 569,380.25 × 267,423.63
  4. Step 4: Simplify right side
    379,524.57x = 152,265,733,305.31
  5. Step 5: Solve for x
    x = 152,265,733,305.31/379,524.57
  6. Step 6: Final answer
    x = 401,201.25

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1.5x scale

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.