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Finding the Fourth Proportional to 310.75, 466.02 and 202.41

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Solution

The fourth proportional to 310.75, 466.02 and 202.41 is: 303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.75 : 466.02 = 202.41 : x
  2. Step 2: Convert to fraction form
    310.75/466.02 = 202.41/x
  3. Step 3: Cross multiply
    310.75x = 466.02 × 202.41
  4. Step 4: Simplify right side
    310.75x = 94,327.11
  5. Step 5: Solve for x
    x = 94,327.11/310.75
  6. Step 6: Final answer
    x = 303.55

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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.