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Finding the Fourth Proportional to 475,105.98, 655,656.81 and 271,152.84

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Solution

The fourth proportional to 475,105.98, 655,656.81 and 271,152.84 is: 374,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,105.98 : 655,656.81 = 271,152.84 : x
  2. Step 2: Convert to fraction form
    475,105.98/655,656.81 = 271,152.84/x
  3. Step 3: Cross multiply
    475,105.98x = 655,656.81 × 271,152.84
  4. Step 4: Simplify right side
    475,105.98x = 177,783,206,096.84
  5. Step 5: Solve for x
    x = 177,783,206,096.84/475,105.98
  6. Step 6: Final answer
    x = 374,196.94

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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.