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Finding the Fourth Proportional to 551,754.72, 827,634.78 and 167,506.92

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Solution

The fourth proportional to 551,754.72, 827,634.78 and 167,506.92 is: 251,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,754.72 : 827,634.78 = 167,506.92 : x
  2. Step 2: Convert to fraction form
    551,754.72/827,634.78 = 167,506.92/x
  3. Step 3: Cross multiply
    551,754.72x = 827,634.78 × 167,506.92
  4. Step 4: Simplify right side
    551,754.72x = 138,634,552,882.68
  5. Step 5: Solve for x
    x = 138,634,552,882.68/551,754.72
  6. Step 6: Final answer
    x = 251,261.20

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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.