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Finding the Fourth Proportional to 303,452.73, 418,906.49 and 176,103.72

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Solution

The fourth proportional to 303,452.73, 418,906.49 and 176,103.72 is: 243,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,452.73 : 418,906.49 = 176,103.72 : x
  2. Step 2: Convert to fraction form
    303,452.73/418,906.49 = 176,103.72/x
  3. Step 3: Cross multiply
    303,452.73x = 418,906.49 × 176,103.72
  4. Step 4: Simplify right side
    303,452.73x = 73,770,990,340.62
  5. Step 5: Solve for x
    x = 73,770,990,340.62/303,452.73
  6. Step 6: Final answer
    x = 243,105.38

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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.