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Finding the Fourth Proportional to 404.38, 606.66 and 241.84

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Solution

The fourth proportional to 404.38, 606.66 and 241.84 is: 362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.38 : 606.66 = 241.84 : x
  2. Step 2: Convert to fraction form
    404.38/606.66 = 241.84/x
  3. Step 3: Cross multiply
    404.38x = 606.66 × 241.84
  4. Step 4: Simplify right side
    404.38x = 146,714.65
  5. Step 5: Solve for x
    x = 146,714.65/404.38
  6. Step 6: Final answer
    x = 362.81

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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.