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Finding the Fourth Proportional to 551,898.92, 827,967.84 and 167,616.30

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Solution

The fourth proportional to 551,898.92, 827,967.84 and 167,616.30 is: 251,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,898.92 : 827,967.84 = 167,616.30 : x
  2. Step 2: Convert to fraction form
    551,898.92/827,967.84 = 167,616.30/x
  3. Step 3: Cross multiply
    551,898.92x = 827,967.84 × 167,616.30
  4. Step 4: Simplify right side
    551,898.92x = 138,780,905,859.79
  5. Step 5: Solve for x
    x = 138,780,905,859.79/551,898.92
  6. Step 6: Final answer
    x = 251,460.73

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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.