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Finding the Fourth Proportional to 310.58, 466.11 and 173.60

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Solution

The fourth proportional to 310.58, 466.11 and 173.60 is: 260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.58 : 466.11 = 173.60 : x
  2. Step 2: Convert to fraction form
    310.58/466.11 = 173.60/x
  3. Step 3: Cross multiply
    310.58x = 466.11 × 173.60
  4. Step 4: Simplify right side
    310.58x = 80,914.37
  5. Step 5: Solve for x
    x = 80,914.37/310.58
  6. Step 6: Final answer
    x = 260.53

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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.