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Finding the Fourth Proportional to 662,096.39, 993,153.84 and 188,781.79

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Solution

The fourth proportional to 662,096.39, 993,153.84 and 188,781.79 is: 283,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,096.39 : 993,153.84 = 188,781.79 : x
  2. Step 2: Convert to fraction form
    662,096.39/993,153.84 = 188,781.79/x
  3. Step 3: Cross multiply
    662,096.39x = 993,153.84 × 188,781.79
  4. Step 4: Simplify right side
    662,096.39x = 187,489,354,694.80
  5. Step 5: Solve for x
    x = 187,489,354,694.80/662,096.39
  6. Step 6: Final answer
    x = 283,175.32

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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.