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Finding the Fourth Proportional to 564.43, 846.84 and 403.37

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Solution

The fourth proportional to 564.43, 846.84 and 403.37 is: 605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.43 : 846.84 = 403.37 : x
  2. Step 2: Convert to fraction form
    564.43/846.84 = 403.37/x
  3. Step 3: Cross multiply
    564.43x = 846.84 × 403.37
  4. Step 4: Simplify right side
    564.43x = 341,589.85
  5. Step 5: Solve for x
    x = 341,589.85/564.43
  6. Step 6: Final answer
    x = 605.19

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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.