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Finding the Fourth Proportional to 551,682.48, 827,522.48 and 146,874.80

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Solution

The fourth proportional to 551,682.48, 827,522.48 and 146,874.80 is: 220,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,682.48 : 827,522.48 = 146,874.80 : x
  2. Step 2: Convert to fraction form
    551,682.48/827,522.48 = 146,874.80/x
  3. Step 3: Cross multiply
    551,682.48x = 827,522.48 × 146,874.80
  4. Step 4: Simplify right side
    551,682.48x = 121,542,198,745.50
  5. Step 5: Solve for x
    x = 121,542,198,745.50/551,682.48
  6. Step 6: Final answer
    x = 220,311.87

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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.