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Finding the Fourth Proportional to 503,580.20, 756,245.10 and 267,384.20

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Solution

The fourth proportional to 503,580.20, 756,245.10 and 267,384.20 is: 401,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,580.20 : 756,245.10 = 267,384.20 : x
  2. Step 2: Convert to fraction form
    503,580.20/756,245.10 = 267,384.20/x
  3. Step 3: Cross multiply
    503,580.20x = 756,245.10 × 267,384.20
  4. Step 4: Simplify right side
    503,580.20x = 202,207,991,067.42
  5. Step 5: Solve for x
    x = 202,207,991,067.42/503,580.20
  6. Step 6: Final answer
    x = 401,540.79

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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.