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Finding the Fourth Proportional to 356.33, 534.29 and 173.67

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Solution

The fourth proportional to 356.33, 534.29 and 173.67 is: 260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.33 : 534.29 = 173.67 : x
  2. Step 2: Convert to fraction form
    356.33/534.29 = 173.67/x
  3. Step 3: Cross multiply
    356.33x = 534.29 × 173.67
  4. Step 4: Simplify right side
    356.33x = 92,789.28
  5. Step 5: Solve for x
    x = 92,789.28/356.33
  6. Step 6: Final answer
    x = 260.41

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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.