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Finding the Fourth Proportional to 267,556.20, 401,334.30 and 254,434.20

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Solution

The fourth proportional to 267,556.20, 401,334.30 and 254,434.20 is: 381,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,556.20 : 401,334.30 = 254,434.20 : x
  2. Step 2: Convert to fraction form
    267,556.20/401,334.30 = 254,434.20/x
  3. Step 3: Cross multiply
    267,556.20x = 401,334.30 × 254,434.20
  4. Step 4: Simplify right side
    267,556.20x = 102,113,171,553.06
  5. Step 5: Solve for x
    x = 102,113,171,553.06/267,556.20
  6. Step 6: Final answer
    x = 381,651.30

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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.