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Finding the Fourth Proportional to 797.08, 1,195.90 and 364.28

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Solution

The fourth proportional to 797.08, 1,195.90 and 364.28 is: 546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.08 : 1,195.90 = 364.28 : x
  2. Step 2: Convert to fraction form
    797.08/1,195.90 = 364.28/x
  3. Step 3: Cross multiply
    797.08x = 1,195.90 × 364.28
  4. Step 4: Simplify right side
    797.08x = 435,642.45
  5. Step 5: Solve for x
    x = 435,642.45/797.08
  6. Step 6: Final answer
    x = 546.55

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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.