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Finding the Fourth Proportional to 310.74, 466.13 and 94.33

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Solution

The fourth proportional to 310.74, 466.13 and 94.33 is: 141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.74 : 466.13 = 94.33 : x
  2. Step 2: Convert to fraction form
    310.74/466.13 = 94.33/x
  3. Step 3: Cross multiply
    310.74x = 466.13 × 94.33
  4. Step 4: Simplify right side
    310.74x = 43,970.04
  5. Step 5: Solve for x
    x = 43,970.04/310.74
  6. Step 6: Final answer
    x = 141.50

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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.