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Finding the Fourth Proportional to 481,082.87, 663,884.85 and 266,222.87

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Solution

The fourth proportional to 481,082.87, 663,884.85 and 266,222.87 is: 367,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,082.87 : 663,884.85 = 266,222.87 : x
  2. Step 2: Convert to fraction form
    481,082.87/663,884.85 = 266,222.87/x
  3. Step 3: Cross multiply
    481,082.87x = 663,884.85 × 266,222.87
  4. Step 4: Simplify right side
    481,082.87x = 176,741,326,797.10
  5. Step 5: Solve for x
    x = 176,741,326,797.10/481,082.87
  6. Step 6: Final answer
    x = 367,382.29

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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.