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Finding the Fourth Proportional to 332,486.56, 458,864.48 and 198,350.56

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Solution

The fourth proportional to 332,486.56, 458,864.48 and 198,350.56 is: 273,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,486.56 : 458,864.48 = 198,350.56 : x
  2. Step 2: Convert to fraction form
    332,486.56/458,864.48 = 198,350.56/x
  3. Step 3: Cross multiply
    332,486.56x = 458,864.48 × 198,350.56
  4. Step 4: Simplify right side
    332,486.56x = 91,016,026,572.11
  5. Step 5: Solve for x
    x = 91,016,026,572.11/332,486.56
  6. Step 6: Final answer
    x = 273,743.48

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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.