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Finding the Fourth Proportional to 797.94, 1,196.06 and 304.11

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Solution

The fourth proportional to 797.94, 1,196.06 and 304.11 is: 455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.94 : 1,196.06 = 304.11 : x
  2. Step 2: Convert to fraction form
    797.94/1,196.06 = 304.11/x
  3. Step 3: Cross multiply
    797.94x = 1,196.06 × 304.11
  4. Step 4: Simplify right side
    797.94x = 363,736.04
  5. Step 5: Solve for x
    x = 363,736.04/797.94
  6. Step 6: Final answer
    x = 455.84

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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.