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Finding the Fourth Proportional to 483,889.70, 667,778.62 and 266,084.57

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Solution

The fourth proportional to 483,889.70, 667,778.62 and 266,084.57 is: 367,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,889.70 : 667,778.62 = 266,084.57 : x
  2. Step 2: Convert to fraction form
    483,889.70/667,778.62 = 266,084.57/x
  3. Step 3: Cross multiply
    483,889.70x = 667,778.62 × 266,084.57
  4. Step 4: Simplify right side
    483,889.70x = 177,685,583,619.00
  5. Step 5: Solve for x
    x = 177,685,583,619.00/483,889.70
  6. Step 6: Final answer
    x = 367,202.66

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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.