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Finding the Fourth Proportional to 303,373.36, 418,789.24 and 195,995.44

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Solution

The fourth proportional to 303,373.36, 418,789.24 and 195,995.44 is: 270,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,373.36 : 418,789.24 = 195,995.44 : x
  2. Step 2: Convert to fraction form
    303,373.36/418,789.24 = 195,995.44/x
  3. Step 3: Cross multiply
    303,373.36x = 418,789.24 × 195,995.44
  4. Step 4: Simplify right side
    303,373.36x = 82,080,781,361.07
  5. Step 5: Solve for x
    x = 82,080,781,361.07/303,373.36
  6. Step 6: Final answer
    x = 270,560.28

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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.