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Finding the Fourth Proportional to 264,982.55, 396,555.28 and 253,960.07

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Solution

The fourth proportional to 264,982.55, 396,555.28 and 253,960.07 is: 380,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,982.55 : 396,555.28 = 253,960.07 : x
  2. Step 2: Convert to fraction form
    264,982.55/396,555.28 = 253,960.07/x
  3. Step 3: Cross multiply
    264,982.55x = 396,555.28 × 253,960.07
  4. Step 4: Simplify right side
    264,982.55x = 100,709,204,049.99
  5. Step 5: Solve for x
    x = 100,709,204,049.99/264,982.55
  6. Step 6: Final answer
    x = 380,059.77

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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.