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Finding the Fourth Proportional to 404.24, 606.44 and 188.04

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Solution

The fourth proportional to 404.24, 606.44 and 188.04 is: 282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.24 : 606.44 = 188.04 : x
  2. Step 2: Convert to fraction form
    404.24/606.44 = 188.04/x
  3. Step 3: Cross multiply
    404.24x = 606.44 × 188.04
  4. Step 4: Simplify right side
    404.24x = 114,034.98
  5. Step 5: Solve for x
    x = 114,034.98/404.24
  6. Step 6: Final answer
    x = 282.10

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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.