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Finding the Fourth Proportional to 369.92, 554.99 and 164.46

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Solution

The fourth proportional to 369.92, 554.99 and 164.46 is: 246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.92 : 554.99 = 164.46 : x
  2. Step 2: Convert to fraction form
    369.92/554.99 = 164.46/x
  3. Step 3: Cross multiply
    369.92x = 554.99 × 164.46
  4. Step 4: Simplify right side
    369.92x = 91,273.66
  5. Step 5: Solve for x
    x = 91,273.66/369.92
  6. Step 6: Final answer
    x = 246.74

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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.