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Finding the Fourth Proportional to 338,863.56, 467,687.82 and 188,009.16

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Solution

The fourth proportional to 338,863.56, 467,687.82 and 188,009.16 is: 259,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,863.56 : 467,687.82 = 188,009.16 : x
  2. Step 2: Convert to fraction form
    338,863.56/467,687.82 = 188,009.16/x
  3. Step 3: Cross multiply
    338,863.56x = 467,687.82 × 188,009.16
  4. Step 4: Simplify right side
    338,863.56x = 87,929,594,180.43
  5. Step 5: Solve for x
    x = 87,929,594,180.43/338,863.56
  6. Step 6: Final answer
    x = 259,483.77

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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.