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Finding the Fourth Proportional to 564, 844.48 and 441.60

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Solution

The fourth proportional to 564, 844.48 and 441.60 is: 661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    564 : 844.48 = 441.60 : x
  2. Step 2: Convert to fraction form
    564/844.48 = 441.60/x
  3. Step 3: Cross multiply
    564x = 844.48 × 441.60
  4. Step 4: Simplify right side
    564x = 372,922.37
  5. Step 5: Solve for x
    x = 372,922.37/564
  6. Step 6: Final answer
    x = 661.21

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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.