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Finding the Fourth Proportional to 490,195.44, 676,452.24 and 299,527.92

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Solution

The fourth proportional to 490,195.44, 676,452.24 and 299,527.92 is: 413,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,195.44 : 676,452.24 = 299,527.92 : x
  2. Step 2: Convert to fraction form
    490,195.44/676,452.24 = 299,527.92/x
  3. Step 3: Cross multiply
    490,195.44x = 676,452.24 × 299,527.92
  4. Step 4: Simplify right side
    490,195.44x = 202,616,332,426.54
  5. Step 5: Solve for x
    x = 202,616,332,426.54/490,195.44
  6. Step 6: Final answer
    x = 413,337.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.