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Finding the Fourth Proportional to 483,839.26, 667,712.70 and 266,036.67

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Solution

The fourth proportional to 483,839.26, 667,712.70 and 266,036.67 is: 367,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,839.26 : 667,712.70 = 266,036.67 : x
  2. Step 2: Convert to fraction form
    483,839.26/667,712.70 = 266,036.67/x
  3. Step 3: Cross multiply
    483,839.26x = 667,712.70 × 266,036.67
  4. Step 4: Simplify right side
    483,839.26x = 177,636,063,224.71
  5. Step 5: Solve for x
    x = 177,636,063,224.71/483,839.26
  6. Step 6: Final answer
    x = 367,138.59

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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.