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Finding the Fourth Proportional to 350.21, 483.27 and 202.83

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Solution

The fourth proportional to 350.21, 483.27 and 202.83 is: 279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.21 : 483.27 = 202.83 : x
  2. Step 2: Convert to fraction form
    350.21/483.27 = 202.83/x
  3. Step 3: Cross multiply
    350.21x = 483.27 × 202.83
  4. Step 4: Simplify right side
    350.21x = 98,021.65
  5. Step 5: Solve for x
    x = 98,021.65/350.21
  6. Step 6: Final answer
    x = 279.89

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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.