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Finding the Fourth Proportional to 360.94, 541.50 and 117.47

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Solution

The fourth proportional to 360.94, 541.50 and 117.47 is: 176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.94 : 541.50 = 117.47 : x
  2. Step 2: Convert to fraction form
    360.94/541.50 = 117.47/x
  3. Step 3: Cross multiply
    360.94x = 541.50 × 117.47
  4. Step 4: Simplify right side
    360.94x = 63,607.28
  5. Step 5: Solve for x
    x = 63,607.28/360.94
  6. Step 6: Final answer
    x = 176.23

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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.