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Finding the Fourth Proportional to 564.07, 844.35 and 516.22

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Solution

The fourth proportional to 564.07, 844.35 and 516.22 is: 772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.07 : 844.35 = 516.22 : x
  2. Step 2: Convert to fraction form
    564.07/844.35 = 516.22/x
  3. Step 3: Cross multiply
    564.07x = 844.35 × 516.22
  4. Step 4: Simplify right side
    564.07x = 435,870.36
  5. Step 5: Solve for x
    x = 435,870.36/564.07
  6. Step 6: Final answer
    x = 772.72

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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.