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Finding the Fourth Proportional to 474,855.39, 655,363.08 and 270,859.59

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Solution

The fourth proportional to 474,855.39, 655,363.08 and 270,859.59 is: 373,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,855.39 : 655,363.08 = 270,859.59 : x
  2. Step 2: Convert to fraction form
    474,855.39/655,363.08 = 270,859.59/x
  3. Step 3: Cross multiply
    474,855.39x = 655,363.08 × 270,859.59
  4. Step 4: Simplify right side
    474,855.39x = 177,511,375,149.94
  5. Step 5: Solve for x
    x = 177,511,375,149.94/474,855.39
  6. Step 6: Final answer
    x = 373,821.97

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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.