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Finding the Fourth Proportional to 475,116.50, 655,671.33 and 271,163.34

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Solution

The fourth proportional to 475,116.50, 655,671.33 and 271,163.34 is: 374,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,116.50 : 655,671.33 = 271,163.34 : x
  2. Step 2: Convert to fraction form
    475,116.50/655,671.33 = 271,163.34/x
  3. Step 3: Cross multiply
    475,116.50x = 655,671.33 × 271,163.34
  4. Step 4: Simplify right side
    475,116.50x = 177,794,027,785.04
  5. Step 5: Solve for x
    x = 177,794,027,785.04/475,116.50
  6. Step 6: Final answer
    x = 374,211.44

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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.