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Finding the Fourth Proportional to 395,175.65, 592,286.13 and 192,467.96

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Solution

The fourth proportional to 395,175.65, 592,286.13 and 192,467.96 is: 288,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,175.65 : 592,286.13 = 192,467.96 : x
  2. Step 2: Convert to fraction form
    395,175.65/592,286.13 = 192,467.96/x
  3. Step 3: Cross multiply
    395,175.65x = 592,286.13 × 192,467.96
  4. Step 4: Simplify right side
    395,175.65x = 113,996,100,215.96
  5. Step 5: Solve for x
    x = 113,996,100,215.96/395,175.65
  6. Step 6: Final answer
    x = 288,469.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.