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Finding the Fourth Proportional to 338,770.90, 467,500.65 and 185,805.97

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Solution

The fourth proportional to 338,770.90, 467,500.65 and 185,805.97 is: 256,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,770.90 : 467,500.65 = 185,805.97 : x
  2. Step 2: Convert to fraction form
    338,770.90/467,500.65 = 185,805.97/x
  3. Step 3: Cross multiply
    338,770.90x = 467,500.65 × 185,805.97
  4. Step 4: Simplify right side
    338,770.90x = 86,864,410,819.85
  5. Step 5: Solve for x
    x = 86,864,410,819.85/338,770.90
  6. Step 6: Final answer
    x = 256,410.49

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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.