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Finding the Fourth Proportional to 797.94, 1,196.91 and 364.86

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Solution

The fourth proportional to 797.94, 1,196.91 and 364.86 is: 547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.94 : 1,196.91 = 364.86 : x
  2. Step 2: Convert to fraction form
    797.94/1,196.91 = 364.86/x
  3. Step 3: Cross multiply
    797.94x = 1,196.91 × 364.86
  4. Step 4: Simplify right side
    797.94x = 436,704.58
  5. Step 5: Solve for x
    x = 436,704.58/797.94
  6. Step 6: Final answer
    x = 547.29

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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.