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Finding the Fourth Proportional to 362.94, 544.89 and 168.15

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Solution

The fourth proportional to 362.94, 544.89 and 168.15 is: 252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.94 : 544.89 = 168.15 : x
  2. Step 2: Convert to fraction form
    362.94/544.89 = 168.15/x
  3. Step 3: Cross multiply
    362.94x = 544.89 × 168.15
  4. Step 4: Simplify right side
    362.94x = 91,623.25
  5. Step 5: Solve for x
    x = 91,623.25/362.94
  6. Step 6: Final answer
    x = 252.45

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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.