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Finding the Fourth Proportional to 207,922.70, 311,884.05 and 194,800.70

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Solution

The fourth proportional to 207,922.70, 311,884.05 and 194,800.70 is: 292,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922.70 : 311,884.05 = 194,800.70 : x
  2. Step 2: Convert to fraction form
    207,922.70/311,884.05 = 194,800.70/x
  3. Step 3: Cross multiply
    207,922.70x = 311,884.05 × 194,800.70
  4. Step 4: Simplify right side
    207,922.70x = 60,755,231,258.84
  5. Step 5: Solve for x
    x = 60,755,231,258.84/207,922.70
  6. Step 6: Final answer
    x = 292,201.05

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1.5x scale

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.