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Finding the Fourth Proportional to 324.05, 484.94 and 202.37

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Solution

The fourth proportional to 324.05, 484.94 and 202.37 is: 302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.05 : 484.94 = 202.37 : x
  2. Step 2: Convert to fraction form
    324.05/484.94 = 202.37/x
  3. Step 3: Cross multiply
    324.05x = 484.94 × 202.37
  4. Step 4: Simplify right side
    324.05x = 98,136.30
  5. Step 5: Solve for x
    x = 98,136.30/324.05
  6. Step 6: Final answer
    x = 302.84

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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.