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Finding the Fourth Proportional to 303,512.12, 418,825.24 and 167,524.26

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Solution

The fourth proportional to 303,512.12, 418,825.24 and 167,524.26 is: 231,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,512.12 : 418,825.24 = 167,524.26 : x
  2. Step 2: Convert to fraction form
    303,512.12/418,825.24 = 167,524.26/x
  3. Step 3: Cross multiply
    303,512.12x = 418,825.24 × 167,524.26
  4. Step 4: Simplify right side
    303,512.12x = 70,163,388,400.32
  5. Step 5: Solve for x
    x = 70,163,388,400.32/303,512.12
  6. Step 6: Final answer
    x = 231,171.62

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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.