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Finding the Fourth Proportional to 310.94, 466.35 and 94.49

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Solution

The fourth proportional to 310.94, 466.35 and 94.49 is: 141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.94 : 466.35 = 94.49 : x
  2. Step 2: Convert to fraction form
    310.94/466.35 = 94.49/x
  3. Step 3: Cross multiply
    310.94x = 466.35 × 94.49
  4. Step 4: Simplify right side
    310.94x = 44,065.41
  5. Step 5: Solve for x
    x = 44,065.41/310.94
  6. Step 6: Final answer
    x = 141.72

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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.