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Finding the Fourth Proportional to 481,502.49, 721,824.25 and 228,626.97

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Solution

The fourth proportional to 481,502.49, 721,824.25 and 228,626.97 is: 342,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,502.49 : 721,824.25 = 228,626.97 : x
  2. Step 2: Convert to fraction form
    481,502.49/721,824.25 = 228,626.97/x
  3. Step 3: Cross multiply
    481,502.49x = 721,824.25 × 228,626.97
  4. Step 4: Simplify right side
    481,502.49x = 165,028,491,150.02
  5. Step 5: Solve for x
    x = 165,028,491,150.02/481,502.49
  6. Step 6: Final answer
    x = 342,736.53

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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.