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Finding the Fourth Proportional to 303,524.32, 418,845.60 and 167,554.90

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Solution

The fourth proportional to 303,524.32, 418,845.60 and 167,554.90 is: 231,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,524.32 : 418,845.60 = 167,554.90 : x
  2. Step 2: Convert to fraction form
    303,524.32/418,845.60 = 167,554.90/x
  3. Step 3: Cross multiply
    303,524.32x = 418,845.60 × 167,554.90
  4. Step 4: Simplify right side
    303,524.32x = 70,179,632,623.44
  5. Step 5: Solve for x
    x = 70,179,632,623.44/303,524.32
  6. Step 6: Final answer
    x = 231,215.85

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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.