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Finding the Fourth Proportional to 551,893.91, 827,960.33 and 167,611.28

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Solution

The fourth proportional to 551,893.91, 827,960.33 and 167,611.28 is: 251,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,893.91 : 827,960.33 = 167,611.28 : x
  2. Step 2: Convert to fraction form
    551,893.91/827,960.33 = 167,611.28/x
  3. Step 3: Cross multiply
    551,893.91x = 827,960.33 × 167,611.28
  4. Step 4: Simplify right side
    551,893.91x = 138,775,486,979.75
  5. Step 5: Solve for x
    x = 138,775,486,979.75/551,893.91
  6. Step 6: Final answer
    x = 251,453.20

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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.