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Finding the Fourth Proportional to 303,306.09, 418,563.86 and 167,340.03

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Solution

The fourth proportional to 303,306.09, 418,563.86 and 167,340.03 is: 230,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,306.09 : 418,563.86 = 167,340.03 : x
  2. Step 2: Convert to fraction form
    303,306.09/418,563.86 = 167,340.03/x
  3. Step 3: Cross multiply
    303,306.09x = 418,563.86 × 167,340.03
  4. Step 4: Simplify right side
    303,306.09x = 70,042,488,052.62
  5. Step 5: Solve for x
    x = 70,042,488,052.62/303,306.09
  6. Step 6: Final answer
    x = 230,930.04

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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.