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Finding the Fourth Proportional to 350,286.50, 483,395.92 and 199,383.50

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Solution

The fourth proportional to 350,286.50, 483,395.92 and 199,383.50 is: 275,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,286.50 : 483,395.92 = 199,383.50 : x
  2. Step 2: Convert to fraction form
    350,286.50/483,395.92 = 199,383.50/x
  3. Step 3: Cross multiply
    350,286.50x = 483,395.92 × 199,383.50
  4. Step 4: Simplify right side
    350,286.50x = 96,381,170,415.32
  5. Step 5: Solve for x
    x = 96,381,170,415.32/350,286.50
  6. Step 6: Final answer
    x = 275,149.54

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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.