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Finding the Fourth Proportional to 475,052.70, 655,583.36 and 271,099.56

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Solution

The fourth proportional to 475,052.70, 655,583.36 and 271,099.56 is: 374,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,052.70 : 655,583.36 = 271,099.56 : x
  2. Step 2: Convert to fraction form
    475,052.70/655,583.36 = 271,099.56/x
  3. Step 3: Cross multiply
    475,052.70x = 655,583.36 × 271,099.56
  4. Step 4: Simplify right side
    475,052.70x = 177,728,361,542.26
  5. Step 5: Solve for x
    x = 177,728,361,542.26/475,052.70
  6. Step 6: Final answer
    x = 374,123.46

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1.5x scale

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.