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Finding the Fourth Proportional to 310.98, 466.47 and 183.54

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Solution

The fourth proportional to 310.98, 466.47 and 183.54 is: 275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.98 : 466.47 = 183.54 : x
  2. Step 2: Convert to fraction form
    310.98/466.47 = 183.54/x
  3. Step 3: Cross multiply
    310.98x = 466.47 × 183.54
  4. Step 4: Simplify right side
    310.98x = 85,615.90
  5. Step 5: Solve for x
    x = 85,615.90/310.98
  6. Step 6: Final answer
    x = 275.31

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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.