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Finding the Fourth Proportional to 303,481.76, 418,799.57 and 167,515.56

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Solution

The fourth proportional to 303,481.76, 418,799.57 and 167,515.56 is: 231,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,481.76 : 418,799.57 = 167,515.56 : x
  2. Step 2: Convert to fraction form
    303,481.76/418,799.57 = 167,515.56/x
  3. Step 3: Cross multiply
    303,481.76x = 418,799.57 × 167,515.56
  4. Step 4: Simplify right side
    303,481.76x = 70,155,443,658.73
  5. Step 5: Solve for x
    x = 70,155,443,658.73/303,481.76
  6. Step 6: Final answer
    x = 231,168.57

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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.