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Finding the Fourth Proportional to 310.86, 466.67 and 174.02

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Solution

The fourth proportional to 310.86, 466.67 and 174.02 is: 261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.86 : 466.67 = 174.02 : x
  2. Step 2: Convert to fraction form
    310.86/466.67 = 174.02/x
  3. Step 3: Cross multiply
    310.86x = 466.67 × 174.02
  4. Step 4: Simplify right side
    310.86x = 81,208.02
  5. Step 5: Solve for x
    x = 81,208.02/310.86
  6. Step 6: Final answer
    x = 261.24

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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.