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Finding the Fourth Proportional to 283,958.36, 425,935.38 and 84,279.32

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Solution

The fourth proportional to 283,958.36, 425,935.38 and 84,279.32 is: 126,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,958.36 : 425,935.38 = 84,279.32 : x
  2. Step 2: Convert to fraction form
    283,958.36/425,935.38 = 84,279.32/x
  3. Step 3: Cross multiply
    283,958.36x = 425,935.38 × 84,279.32
  4. Step 4: Simplify right side
    283,958.36x = 35,897,544,190.34
  5. Step 5: Solve for x
    x = 35,897,544,190.34/283,958.36
  6. Step 6: Final answer
    x = 126,418.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.