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Finding the Fourth Proportional to 483,959.70, 667,846.80 and 266,166.48

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Solution

The fourth proportional to 483,959.70, 667,846.80 and 266,166.48 is: 367,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,959.70 : 667,846.80 = 266,166.48 : x
  2. Step 2: Convert to fraction form
    483,959.70/667,846.80 = 266,166.48/x
  3. Step 3: Cross multiply
    483,959.70x = 667,846.80 × 266,166.48
  4. Step 4: Simplify right side
    483,959.70x = 177,758,431,935.26
  5. Step 5: Solve for x
    x = 177,758,431,935.26/483,959.70
  6. Step 6: Final answer
    x = 367,300.07

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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.