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Finding the Fourth Proportional to 564.21, 844.53 and 516.36

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Solution

The fourth proportional to 564.21, 844.53 and 516.36 is: 772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.21 : 844.53 = 516.36 : x
  2. Step 2: Convert to fraction form
    564.21/844.53 = 516.36/x
  3. Step 3: Cross multiply
    564.21x = 844.53 × 516.36
  4. Step 4: Simplify right side
    564.21x = 436,081.51
  5. Step 5: Solve for x
    x = 436,081.51/564.21
  6. Step 6: Final answer
    x = 772.91

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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.