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Finding the Fourth Proportional to 564, 846.24 and 401.44

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Solution

The fourth proportional to 564, 846.24 and 401.44 is: 602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    564 : 846.24 = 401.44 : x
  2. Step 2: Convert to fraction form
    564/846.24 = 401.44/x
  3. Step 3: Cross multiply
    564x = 846.24 × 401.44
  4. Step 4: Simplify right side
    564x = 339,714.59
  5. Step 5: Solve for x
    x = 339,714.59/564
  6. Step 6: Final answer
    x = 602.33

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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.