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Finding the Fourth Proportional to 360.98, 541.44 and 114.17

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Solution

The fourth proportional to 360.98, 541.44 and 114.17 is: 171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.98 : 541.44 = 114.17 : x
  2. Step 2: Convert to fraction form
    360.98/541.44 = 114.17/x
  3. Step 3: Cross multiply
    360.98x = 541.44 × 114.17
  4. Step 4: Simplify right side
    360.98x = 61,817.56
  5. Step 5: Solve for x
    x = 61,817.56/360.98
  6. Step 6: Final answer
    x = 171.25

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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.