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Finding the Fourth Proportional to 338,611.92, 467,279.13 and 185,651.43

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Solution

The fourth proportional to 338,611.92, 467,279.13 and 185,651.43 is: 256,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,611.92 : 467,279.13 = 185,651.43 : x
  2. Step 2: Convert to fraction form
    338,611.92/467,279.13 = 185,651.43/x
  3. Step 3: Cross multiply
    338,611.92x = 467,279.13 × 185,651.43
  4. Step 4: Simplify right side
    338,611.92x = 86,751,040,445.95
  5. Step 5: Solve for x
    x = 86,751,040,445.95/338,611.92
  6. Step 6: Final answer
    x = 256,196.06

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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.