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Finding the Fourth Proportional to 356.92, 534.92 and 173.96

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Solution

The fourth proportional to 356.92, 534.92 and 173.96 is: 260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.92 : 534.92 = 173.96 : x
  2. Step 2: Convert to fraction form
    356.92/534.92 = 173.96/x
  3. Step 3: Cross multiply
    356.92x = 534.92 × 173.96
  4. Step 4: Simplify right side
    356.92x = 93,054.68
  5. Step 5: Solve for x
    x = 93,054.68/356.92
  6. Step 6: Final answer
    x = 260.72

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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.