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Finding the Fourth Proportional to 310.85, 466.37 and 94.43

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Solution

The fourth proportional to 310.85, 466.37 and 94.43 is: 141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.85 : 466.37 = 94.43 : x
  2. Step 2: Convert to fraction form
    310.85/466.37 = 94.43/x
  3. Step 3: Cross multiply
    310.85x = 466.37 × 94.43
  4. Step 4: Simplify right side
    310.85x = 44,039.32
  5. Step 5: Solve for x
    x = 44,039.32/310.85
  6. Step 6: Final answer
    x = 141.67

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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.