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Finding the Fourth Proportional to 310.95, 466.47 and 94.55

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Solution

The fourth proportional to 310.95, 466.47 and 94.55 is: 141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.95 : 466.47 = 94.55 : x
  2. Step 2: Convert to fraction form
    310.95/466.47 = 94.55/x
  3. Step 3: Cross multiply
    310.95x = 466.47 × 94.55
  4. Step 4: Simplify right side
    310.95x = 44,104.74
  5. Step 5: Solve for x
    x = 44,104.74/310.95
  6. Step 6: Final answer
    x = 141.84

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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.