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Finding the Fourth Proportional to 404, 606.06 and 187.46

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Solution

The fourth proportional to 404, 606.06 and 187.46 is: 281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404 : 606.06 = 187.46 : x
  2. Step 2: Convert to fraction form
    404/606.06 = 187.46/x
  3. Step 3: Cross multiply
    404x = 606.06 × 187.46
  4. Step 4: Simplify right side
    404x = 113,612.01
  5. Step 5: Solve for x
    x = 113,612.01/404
  6. Step 6: Final answer
    x = 281.22

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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.