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Finding the Fourth Proportional to 267,002.85, 400,504.28 and 255,193.05

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Solution

The fourth proportional to 267,002.85, 400,504.28 and 255,193.05 is: 382,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,002.85 : 400,504.28 = 255,193.05 : x
  2. Step 2: Convert to fraction form
    267,002.85/400,504.28 = 255,193.05/x
  3. Step 3: Cross multiply
    267,002.85x = 400,504.28 × 255,193.05
  4. Step 4: Simplify right side
    267,002.85x = 102,205,907,475.29
  5. Step 5: Solve for x
    x = 102,205,907,475.29/267,002.85
  6. Step 6: Final answer
    x = 382,789.58

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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.