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Finding the Fourth Proportional to 483,891.07, 667,780.52 and 266,085.94

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Solution

The fourth proportional to 483,891.07, 667,780.52 and 266,085.94 is: 367,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,891.07 : 667,780.52 = 266,085.94 : x
  2. Step 2: Convert to fraction form
    483,891.07/667,780.52 = 266,085.94/x
  3. Step 3: Cross multiply
    483,891.07x = 667,780.52 × 266,085.94
  4. Step 4: Simplify right side
    483,891.07x = 177,687,006,712.67
  5. Step 5: Solve for x
    x = 177,687,006,712.67/483,891.07
  6. Step 6: Final answer
    x = 367,204.56

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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.