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Finding the Fourth Proportional to 634,530, 951,820.92 and 161,227.56

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Solution

The fourth proportional to 634,530, 951,820.92 and 161,227.56 is: 241,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,530 : 951,820.92 = 161,227.56 : x
  2. Step 2: Convert to fraction form
    634,530/951,820.92 = 161,227.56/x
  3. Step 3: Cross multiply
    634,530x = 951,820.92 × 161,227.56
  4. Step 4: Simplify right side
    634,530x = 153,459,764,488.56
  5. Step 5: Solve for x
    x = 153,459,764,488.56/634,530
  6. Step 6: Final answer
    x = 241,847.93

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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.