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Finding the Fourth Proportional to 303,601.25, 418,976.39 and 167,634.83

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Solution

The fourth proportional to 303,601.25, 418,976.39 and 167,634.83 is: 231,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,601.25 : 418,976.39 = 167,634.83 : x
  2. Step 2: Convert to fraction form
    303,601.25/418,976.39 = 167,634.83/x
  3. Step 3: Cross multiply
    303,601.25x = 418,976.39 × 167,634.83
  4. Step 4: Simplify right side
    303,601.25x = 70,235,035,073.49
  5. Step 5: Solve for x
    x = 70,235,035,073.49/303,601.25
  6. Step 6: Final answer
    x = 231,339.74

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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.