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Finding the Fourth Proportional to 1,196.59, 1,794.99 and 330.91

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Solution

The fourth proportional to 1,196.59, 1,794.99 and 330.91 is: 496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.59 : 1,794.99 = 330.91 : x
  2. Step 2: Convert to fraction form
    1,196.59/1,794.99 = 330.91/x
  3. Step 3: Cross multiply
    1,196.59x = 1,794.99 × 330.91
  4. Step 4: Simplify right side
    1,196.59x = 593,980.14
  5. Step 5: Solve for x
    x = 593,980.14/1,196.59
  6. Step 6: Final answer
    x = 496.39

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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.