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Finding the Fourth Proportional to 310.75, 466.07 and 94.32

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Solution

The fourth proportional to 310.75, 466.07 and 94.32 is: 141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.75 : 466.07 = 94.32 : x
  2. Step 2: Convert to fraction form
    310.75/466.07 = 94.32/x
  3. Step 3: Cross multiply
    310.75x = 466.07 × 94.32
  4. Step 4: Simplify right side
    310.75x = 43,957.39
  5. Step 5: Solve for x
    x = 43,957.39/310.75
  6. Step 6: Final answer
    x = 141.46

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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.