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Finding the Fourth Proportional to 303,601.50, 418,976.73 and 167,635.08

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Solution

The fourth proportional to 303,601.50, 418,976.73 and 167,635.08 is: 231,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,601.50 : 418,976.73 = 167,635.08 : x
  2. Step 2: Convert to fraction form
    303,601.50/418,976.73 = 167,635.08/x
  3. Step 3: Cross multiply
    303,601.50x = 418,976.73 × 167,635.08
  4. Step 4: Simplify right side
    303,601.50x = 70,235,197,651.69
  5. Step 5: Solve for x
    x = 70,235,197,651.69/303,601.50
  6. Step 6: Final answer
    x = 231,340.09

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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.