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Finding the Fourth Proportional to 360.17, 540.26 and 116.70

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Solution

The fourth proportional to 360.17, 540.26 and 116.70 is: 175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.17 : 540.26 = 116.70 : x
  2. Step 2: Convert to fraction form
    360.17/540.26 = 116.70/x
  3. Step 3: Cross multiply
    360.17x = 540.26 × 116.70
  4. Step 4: Simplify right side
    360.17x = 63,048.63
  5. Step 5: Solve for x
    x = 63,048.63/360.17
  6. Step 6: Final answer
    x = 175.05

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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.