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Finding the Fourth Proportional to 482,082.76, 665,279.76 and 267,226.48

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Solution

The fourth proportional to 482,082.76, 665,279.76 and 267,226.48 is: 368,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,082.76 : 665,279.76 = 267,226.48 : x
  2. Step 2: Convert to fraction form
    482,082.76/665,279.76 = 267,226.48/x
  3. Step 3: Cross multiply
    482,082.76x = 665,279.76 × 267,226.48
  4. Step 4: Simplify right side
    482,082.76x = 177,780,368,480.05
  5. Step 5: Solve for x
    x = 177,780,368,480.05/482,082.76
  6. Step 6: Final answer
    x = 368,775.62

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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.