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Finding the Fourth Proportional to 483,898.34, 667,762.24 and 266,105.18

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Solution

The fourth proportional to 483,898.34, 667,762.24 and 266,105.18 is: 367,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,898.34 : 667,762.24 = 266,105.18 : x
  2. Step 2: Convert to fraction form
    483,898.34/667,762.24 = 266,105.18/x
  3. Step 3: Cross multiply
    483,898.34x = 667,762.24 × 266,105.18
  4. Step 4: Simplify right side
    483,898.34x = 177,694,991,072.40
  5. Step 5: Solve for x
    x = 177,694,991,072.40/483,898.34
  6. Step 6: Final answer
    x = 367,215.54

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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.