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Finding the Fourth Proportional to 310.98, 466.44 and 94.56

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Solution

The fourth proportional to 310.98, 466.44 and 94.56 is: 141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.98 : 466.44 = 94.56 : x
  2. Step 2: Convert to fraction form
    310.98/466.44 = 94.56/x
  3. Step 3: Cross multiply
    310.98x = 466.44 × 94.56
  4. Step 4: Simplify right side
    310.98x = 44,106.57
  5. Step 5: Solve for x
    x = 44,106.57/310.98
  6. Step 6: Final answer
    x = 141.83

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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.