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Finding the Fourth Proportional to 354.92, 531.58 and 246.44

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Solution

The fourth proportional to 354.92, 531.58 and 246.44 is: 369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.92 : 531.58 = 246.44 : x
  2. Step 2: Convert to fraction form
    354.92/531.58 = 246.44/x
  3. Step 3: Cross multiply
    354.92x = 531.58 × 246.44
  4. Step 4: Simplify right side
    354.92x = 131,002.58
  5. Step 5: Solve for x
    x = 131,002.58/354.92
  6. Step 6: Final answer
    x = 369.10

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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.