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Finding the Fourth Proportional to 331,517.66, 457,494.90 and 188,277.62

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Solution

The fourth proportional to 331,517.66, 457,494.90 and 188,277.62 is: 259,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,517.66 : 457,494.90 = 188,277.62 : x
  2. Step 2: Convert to fraction form
    331,517.66/457,494.90 = 188,277.62/x
  3. Step 3: Cross multiply
    331,517.66x = 457,494.90 × 188,277.62
  4. Step 4: Simplify right side
    331,517.66x = 86,136,050,934.14
  5. Step 5: Solve for x
    x = 86,136,050,934.14/331,517.66
  6. Step 6: Final answer
    x = 259,823.42

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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.