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Finding the Fourth Proportional to 797.88, 1,196.82 and 365.52

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Solution

The fourth proportional to 797.88, 1,196.82 and 365.52 is: 548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.88 : 1,196.82 = 365.52 : x
  2. Step 2: Convert to fraction form
    797.88/1,196.82 = 365.52/x
  3. Step 3: Cross multiply
    797.88x = 1,196.82 × 365.52
  4. Step 4: Simplify right side
    797.88x = 437,461.65
  5. Step 5: Solve for x
    x = 437,461.65/797.88
  6. Step 6: Final answer
    x = 548.28

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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.