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Finding the Fourth Proportional to 1,196.63, 1,794.98 and 330.94

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Solution

The fourth proportional to 1,196.63, 1,794.98 and 330.94 is: 496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.63 : 1,794.98 = 330.94 : x
  2. Step 2: Convert to fraction form
    1,196.63/1,794.98 = 330.94/x
  3. Step 3: Cross multiply
    1,196.63x = 1,794.98 × 330.94
  4. Step 4: Simplify right side
    1,196.63x = 594,030.68
  5. Step 5: Solve for x
    x = 594,030.68/1,196.63
  6. Step 6: Final answer
    x = 496.42

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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.