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Finding the Fourth Proportional to 332,493.56, 458,874.14 and 198,357.56

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Solution

The fourth proportional to 332,493.56, 458,874.14 and 198,357.56 is: 273,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,493.56 : 458,874.14 = 198,357.56 : x
  2. Step 2: Convert to fraction form
    332,493.56/458,874.14 = 198,357.56/x
  3. Step 3: Cross multiply
    332,493.56x = 458,874.14 × 198,357.56
  4. Step 4: Simplify right side
    332,493.56x = 91,021,154,757.50
  5. Step 5: Solve for x
    x = 91,021,154,757.50/332,493.56
  6. Step 6: Final answer
    x = 273,753.14

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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.