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Finding the Fourth Proportional to 404.28, 606.50 and 184.92

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Solution

The fourth proportional to 404.28, 606.50 and 184.92 is: 277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.28 : 606.50 = 184.92 : x
  2. Step 2: Convert to fraction form
    404.28/606.50 = 184.92/x
  3. Step 3: Cross multiply
    404.28x = 606.50 × 184.92
  4. Step 4: Simplify right side
    404.28x = 112,153.98
  5. Step 5: Solve for x
    x = 112,153.98/404.28
  6. Step 6: Final answer
    x = 277.42

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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.