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Finding the Fourth Proportional to 360.76, 541.16 and 117.29

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Solution

The fourth proportional to 360.76, 541.16 and 117.29 is: 175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.76 : 541.16 = 117.29 : x
  2. Step 2: Convert to fraction form
    360.76/541.16 = 117.29/x
  3. Step 3: Cross multiply
    360.76x = 541.16 × 117.29
  4. Step 4: Simplify right side
    360.76x = 63,472.66
  5. Step 5: Solve for x
    x = 63,472.66/360.76
  6. Step 6: Final answer
    x = 175.94

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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.