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Finding the Fourth Proportional to 197,998.20, 296,651.70 and 170,350.20

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Solution

The fourth proportional to 197,998.20, 296,651.70 and 170,350.20 is: 255,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,998.20 : 296,651.70 = 170,350.20 : x
  2. Step 2: Convert to fraction form
    197,998.20/296,651.70 = 170,350.20/x
  3. Step 3: Cross multiply
    197,998.20x = 296,651.70 × 170,350.20
  4. Step 4: Simplify right side
    197,998.20x = 50,534,676,425.34
  5. Step 5: Solve for x
    x = 50,534,676,425.34/197,998.20
  6. Step 6: Final answer
    x = 255,227.96

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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.