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Finding the Fourth Proportional to 866.22, 1,195.36 and 473.25

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Solution

The fourth proportional to 866.22, 1,195.36 and 473.25 is: 653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    866.22 : 1,195.36 = 473.25 : x
  2. Step 2: Convert to fraction form
    866.22/1,195.36 = 473.25/x
  3. Step 3: Cross multiply
    866.22x = 1,195.36 × 473.25
  4. Step 4: Simplify right side
    866.22x = 565,704.12
  5. Step 5: Solve for x
    x = 565,704.12/866.22
  6. Step 6: Final answer
    x = 653.07

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Double scale
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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.