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Finding the Fourth Proportional to 483,213.37, 667,168.05 and 302,006.75

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Solution

The fourth proportional to 483,213.37, 667,168.05 and 302,006.75 is: 416,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,213.37 : 667,168.05 = 302,006.75 : x
  2. Step 2: Convert to fraction form
    483,213.37/667,168.05 = 302,006.75/x
  3. Step 3: Cross multiply
    483,213.37x = 667,168.05 × 302,006.75
  4. Step 4: Simplify right side
    483,213.37x = 201,489,254,484.34
  5. Step 5: Solve for x
    x = 201,489,254,484.34/483,213.37
  6. Step 6: Final answer
    x = 416,977.81

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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.