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Finding the Fourth Proportional to 338,906.12, 467,690.88 and 188,003.12

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Solution

The fourth proportional to 338,906.12, 467,690.88 and 188,003.12 is: 259,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,906.12 : 467,690.88 = 188,003.12 : x
  2. Step 2: Convert to fraction form
    338,906.12/467,690.88 = 188,003.12/x
  3. Step 3: Cross multiply
    338,906.12x = 467,690.88 × 188,003.12
  4. Step 4: Simplify right side
    338,906.12x = 87,927,344,635.55
  5. Step 5: Solve for x
    x = 87,927,344,635.55/338,906.12
  6. Step 6: Final answer
    x = 259,444.55

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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.