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Finding the Fourth Proportional to 564.75, 846.54 and 199.26

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Solution

The fourth proportional to 564.75, 846.54 and 199.26 is: 298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.75 : 846.54 = 199.26 : x
  2. Step 2: Convert to fraction form
    564.75/846.54 = 199.26/x
  3. Step 3: Cross multiply
    564.75x = 846.54 × 199.26
  4. Step 4: Simplify right side
    564.75x = 168,681.56
  5. Step 5: Solve for x
    x = 168,681.56/564.75
  6. Step 6: Final answer
    x = 298.68

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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.