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Finding the Fourth Proportional to 360.87, 541.04 and 117.26

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Solution

The fourth proportional to 360.87, 541.04 and 117.26 is: 175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.87 : 541.04 = 117.26 : x
  2. Step 2: Convert to fraction form
    360.87/541.04 = 117.26/x
  3. Step 3: Cross multiply
    360.87x = 541.04 × 117.26
  4. Step 4: Simplify right side
    360.87x = 63,439.06
  5. Step 5: Solve for x
    x = 63,439.06/360.87
  6. Step 6: Final answer
    x = 175.79

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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.