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Finding the Fourth Proportional to 463,131.70, 694,600.34 and 130,629.94

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Solution

The fourth proportional to 463,131.70, 694,600.34 and 130,629.94 is: 195,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,131.70 : 694,600.34 = 130,629.94 : x
  2. Step 2: Convert to fraction form
    463,131.70/694,600.34 = 130,629.94/x
  3. Step 3: Cross multiply
    463,131.70x = 694,600.34 × 130,629.94
  4. Step 4: Simplify right side
    463,131.70x = 90,735,598,348.53
  5. Step 5: Solve for x
    x = 90,735,598,348.53/463,131.70
  6. Step 6: Final answer
    x = 195,917.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.