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Finding the Fourth Proportional to 483,212.37, 667,166.67 and 302,005.75

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Solution

The fourth proportional to 483,212.37, 667,166.67 and 302,005.75 is: 416,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,212.37 : 667,166.67 = 302,005.75 : x
  2. Step 2: Convert to fraction form
    483,212.37/667,166.67 = 302,005.75/x
  3. Step 3: Cross multiply
    483,212.37x = 667,166.67 × 302,005.75
  4. Step 4: Simplify right side
    483,212.37x = 201,488,170,548.35
  5. Step 5: Solve for x
    x = 201,488,170,548.35/483,212.37
  6. Step 6: Final answer
    x = 416,976.43

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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.