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Finding the Fourth Proportional to 338,919.88, 467,709.62 and 188,017

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Solution

The fourth proportional to 338,919.88, 467,709.62 and 188,017 is: 259,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,919.88 : 467,709.62 = 188,017 : x
  2. Step 2: Convert to fraction form
    338,919.88/467,709.62 = 188,017/x
  3. Step 3: Cross multiply
    338,919.88x = 467,709.62 × 188,017
  4. Step 4: Simplify right side
    338,919.88x = 87,937,359,623.54
  5. Step 5: Solve for x
    x = 87,937,359,623.54/338,919.88
  6. Step 6: Final answer
    x = 259,463.56

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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.