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Finding the Fourth Proportional to 606,493.80, 836,943.30 and 338,221.80

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Solution

The fourth proportional to 606,493.80, 836,943.30 and 338,221.80 is: 466,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,493.80 : 836,943.30 = 338,221.80 : x
  2. Step 2: Convert to fraction form
    606,493.80/836,943.30 = 338,221.80/x
  3. Step 3: Cross multiply
    606,493.80x = 836,943.30 × 338,221.80
  4. Step 4: Simplify right side
    606,493.80x = 283,072,469,423.94
  5. Step 5: Solve for x
    x = 283,072,469,423.94/606,493.80
  6. Step 6: Final answer
    x = 466,735.97

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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.