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Finding the Fourth Proportional to 338,630.24, 467,310.40 and 187,727.24

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Solution

The fourth proportional to 338,630.24, 467,310.40 and 187,727.24 is: 259,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,630.24 : 467,310.40 = 187,727.24 : x
  2. Step 2: Convert to fraction form
    338,630.24/467,310.40 = 187,727.24/x
  3. Step 3: Cross multiply
    338,630.24x = 467,310.40 × 187,727.24
  4. Step 4: Simplify right side
    338,630.24x = 87,726,891,615.30
  5. Step 5: Solve for x
    x = 87,726,891,615.30/338,630.24
  6. Step 6: Final answer
    x = 259,063.96

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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.