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Finding the Fourth Proportional to 866.22, 1,195.37 and 473.24

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Solution

The fourth proportional to 866.22, 1,195.37 and 473.24 is: 653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    866.22 : 1,195.37 = 473.24 : x
  2. Step 2: Convert to fraction form
    866.22/1,195.37 = 473.24/x
  3. Step 3: Cross multiply
    866.22x = 1,195.37 × 473.24
  4. Step 4: Simplify right side
    866.22x = 565,690.33
  5. Step 5: Solve for x
    x = 565,690.33/866.22
  6. Step 6: Final answer
    x = 653.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.