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Finding the Fourth Proportional to 564.47, 847.01 and 562.75

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Solution

The fourth proportional to 564.47, 847.01 and 562.75 is: 844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.47 : 847.01 = 562.75 : x
  2. Step 2: Convert to fraction form
    564.47/847.01 = 562.75/x
  3. Step 3: Cross multiply
    564.47x = 847.01 × 562.75
  4. Step 4: Simplify right side
    564.47x = 476,654.88
  5. Step 5: Solve for x
    x = 476,654.88/564.47
  6. Step 6: Final answer
    x = 844.43

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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.