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Finding the Fourth Proportional to 483,216.87, 667,172.88 and 302,010.25

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Solution

The fourth proportional to 483,216.87, 667,172.88 and 302,010.25 is: 416,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,216.87 : 667,172.88 = 302,010.25 : x
  2. Step 2: Convert to fraction form
    483,216.87/667,172.88 = 302,010.25/x
  3. Step 3: Cross multiply
    483,216.87x = 667,172.88 × 302,010.25
  4. Step 4: Simplify right side
    483,216.87x = 201,493,046,614.09
  5. Step 5: Solve for x
    x = 201,493,046,614.09/483,216.87
  6. Step 6: Final answer
    x = 416,982.64

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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.