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Finding the Fourth Proportional to 1,195.82, 1,793.27 and 465.30

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Solution

The fourth proportional to 1,195.82, 1,793.27 and 465.30 is: 697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.82 : 1,793.27 = 465.30 : x
  2. Step 2: Convert to fraction form
    1,195.82/1,793.27 = 465.30/x
  3. Step 3: Cross multiply
    1,195.82x = 1,793.27 × 465.30
  4. Step 4: Simplify right side
    1,195.82x = 834,406.20
  5. Step 5: Solve for x
    x = 834,406.20/1,195.82
  6. Step 6: Final answer
    x = 697.77

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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.