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Finding the Fourth Proportional to 483,951.72, 667,861.01 and 266,169.86

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Solution

The fourth proportional to 483,951.72, 667,861.01 and 266,169.86 is: 367,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,951.72 : 667,861.01 = 266,169.86 : x
  2. Step 2: Convert to fraction form
    483,951.72/667,861.01 = 266,169.86/x
  3. Step 3: Cross multiply
    483,951.72x = 667,861.01 × 266,169.86
  4. Step 4: Simplify right side
    483,951.72x = 177,764,466,861.00
  5. Step 5: Solve for x
    x = 177,764,466,861.00/483,951.72
  6. Step 6: Final answer
    x = 367,318.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.