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Finding the Fourth Proportional to 1,195.70, 1,794.56 and 465.48

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Solution

The fourth proportional to 1,195.70, 1,794.56 and 465.48 is: 698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.70 : 1,794.56 = 465.48 : x
  2. Step 2: Convert to fraction form
    1,195.70/1,794.56 = 465.48/x
  3. Step 3: Cross multiply
    1,195.70x = 1,794.56 × 465.48
  4. Step 4: Simplify right side
    1,195.70x = 835,331.79
  5. Step 5: Solve for x
    x = 835,331.79/1,195.70
  6. Step 6: Final answer
    x = 698.61

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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.