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Finding the Fourth Proportional to 454,605.72, 682,105.23 and 243,997.62

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Solution

The fourth proportional to 454,605.72, 682,105.23 and 243,997.62 is: 366,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,605.72 : 682,105.23 = 243,997.62 : x
  2. Step 2: Convert to fraction form
    454,605.72/682,105.23 = 243,997.62/x
  3. Step 3: Cross multiply
    454,605.72x = 682,105.23 × 243,997.62
  4. Step 4: Simplify right side
    454,605.72x = 166,432,052,709.55
  5. Step 5: Solve for x
    x = 166,432,052,709.55/454,605.72
  6. Step 6: Final answer
    x = 366,101.98

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1.5x scale

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.