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Finding the Fourth Proportional to 552,311.44, 828,469.12 and 168,064

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Solution

The fourth proportional to 552,311.44, 828,469.12 and 168,064 is: 252,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,311.44 : 828,469.12 = 168,064 : x
  2. Step 2: Convert to fraction form
    552,311.44/828,469.12 = 168,064/x
  3. Step 3: Cross multiply
    552,311.44x = 828,469.12 × 168,064
  4. Step 4: Simplify right side
    552,311.44x = 139,235,834,183.68
  5. Step 5: Solve for x
    x = 139,235,834,183.68/552,311.44
  6. Step 6: Final answer
    x = 252,096.60

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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.