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Finding the Fourth Proportional to 303,009.43, 418,177.92 and 167,055.79

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Solution

The fourth proportional to 303,009.43, 418,177.92 and 167,055.79 is: 230,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,009.43 : 418,177.92 = 167,055.79 : x
  2. Step 2: Convert to fraction form
    303,009.43/418,177.92 = 167,055.79/x
  3. Step 3: Cross multiply
    303,009.43x = 418,177.92 × 167,055.79
  4. Step 4: Simplify right side
    303,009.43x = 69,859,042,786.16
  5. Step 5: Solve for x
    x = 69,859,042,786.16/303,009.43
  6. Step 6: Final answer
    x = 230,550.72

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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.