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Finding the Fourth Proportional to 360.11, 540.27 and 116.63

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Solution

The fourth proportional to 360.11, 540.27 and 116.63 is: 174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.11 : 540.27 = 116.63 : x
  2. Step 2: Convert to fraction form
    360.11/540.27 = 116.63/x
  3. Step 3: Cross multiply
    360.11x = 540.27 × 116.63
  4. Step 4: Simplify right side
    360.11x = 63,011.01
  5. Step 5: Solve for x
    x = 63,011.01/360.11
  6. Step 6: Final answer
    x = 174.98

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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.