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Finding the Fourth Proportional to 310.69, 466.17 and 173.53

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Solution

The fourth proportional to 310.69, 466.17 and 173.53 is: 260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.69 : 466.17 = 173.53 : x
  2. Step 2: Convert to fraction form
    310.69/466.17 = 173.53/x
  3. Step 3: Cross multiply
    310.69x = 466.17 × 173.53
  4. Step 4: Simplify right side
    310.69x = 80,894.48
  5. Step 5: Solve for x
    x = 80,894.48/310.69
  6. Step 6: Final answer
    x = 260.37

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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.