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Finding the Fourth Proportional to 483,818.74, 667,687.05 and 266,044.03

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Solution

The fourth proportional to 483,818.74, 667,687.05 and 266,044.03 is: 367,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,818.74 : 667,687.05 = 266,044.03 : x
  2. Step 2: Convert to fraction form
    483,818.74/667,687.05 = 266,044.03/x
  3. Step 3: Cross multiply
    483,818.74x = 667,687.05 × 266,044.03
  4. Step 4: Simplify right side
    483,818.74x = 177,634,151,891.59
  5. Step 5: Solve for x
    x = 177,634,151,891.59/483,818.74
  6. Step 6: Final answer
    x = 367,150.21

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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.