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Finding the Fourth Proportional to 404.66, 606.85 and 116.04

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Solution

The fourth proportional to 404.66, 606.85 and 116.04 is: 174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.66 : 606.85 = 116.04 : x
  2. Step 2: Convert to fraction form
    404.66/606.85 = 116.04/x
  3. Step 3: Cross multiply
    404.66x = 606.85 × 116.04
  4. Step 4: Simplify right side
    404.66x = 70,418.87
  5. Step 5: Solve for x
    x = 70,418.87/404.66
  6. Step 6: Final answer
    x = 174.02

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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.