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Finding the Fourth Proportional to 310.94, 466.46 and 173.85

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Solution

The fourth proportional to 310.94, 466.46 and 173.85 is: 260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.94 : 466.46 = 173.85 : x
  2. Step 2: Convert to fraction form
    310.94/466.46 = 173.85/x
  3. Step 3: Cross multiply
    310.94x = 466.46 × 173.85
  4. Step 4: Simplify right side
    310.94x = 81,092.10
  5. Step 5: Solve for x
    x = 81,092.10/310.94
  6. Step 6: Final answer
    x = 260.80

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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.