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Finding the Fourth Proportional to 1,194.44, 1,791.66 and 328.76

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Solution

The fourth proportional to 1,194.44, 1,791.66 and 328.76 is: 493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.44 : 1,791.66 = 328.76 : x
  2. Step 2: Convert to fraction form
    1,194.44/1,791.66 = 328.76/x
  3. Step 3: Cross multiply
    1,194.44x = 1,791.66 × 328.76
  4. Step 4: Simplify right side
    1,194.44x = 589,026.14
  5. Step 5: Solve for x
    x = 589,026.14/1,194.44
  6. Step 6: Final answer
    x = 493.14

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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.