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Finding the Fourth Proportional to 564.28, 846.36 and 174.26

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Solution

The fourth proportional to 564.28, 846.36 and 174.26 is: 261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.28 : 846.36 = 174.26 : x
  2. Step 2: Convert to fraction form
    564.28/846.36 = 174.26/x
  3. Step 3: Cross multiply
    564.28x = 846.36 × 174.26
  4. Step 4: Simplify right side
    564.28x = 147,486.69
  5. Step 5: Solve for x
    x = 147,486.69/564.28
  6. Step 6: Final answer
    x = 261.37

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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.