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Finding the Fourth Proportional to 264,672.20, 396,352.20 and 169,756.40

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Solution

The fourth proportional to 264,672.20, 396,352.20 and 169,756.40 is: 254,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,672.20 : 396,352.20 = 169,756.40 : x
  2. Step 2: Convert to fraction form
    264,672.20/396,352.20 = 169,756.40/x
  3. Step 3: Cross multiply
    264,672.20x = 396,352.20 × 169,756.40
  4. Step 4: Simplify right side
    264,672.20x = 67,283,322,604.08
  5. Step 5: Solve for x
    x = 67,283,322,604.08/264,672.20
  6. Step 6: Final answer
    x = 254,213.79

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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.