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Finding the Fourth Proportional to 303,555.42, 418,906.59 and 167,589.48

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Solution

The fourth proportional to 303,555.42, 418,906.59 and 167,589.48 is: 231,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,555.42 : 418,906.59 = 167,589.48 : x
  2. Step 2: Convert to fraction form
    303,555.42/418,906.59 = 167,589.48/x
  3. Step 3: Cross multiply
    303,555.42x = 418,906.59 × 167,589.48
  4. Step 4: Simplify right side
    303,555.42x = 70,204,337,586.67
  5. Step 5: Solve for x
    x = 70,204,337,586.67/303,555.42
  6. Step 6: Final answer
    x = 231,273.54

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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.