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Finding the Fourth Proportional to 884.96, 1,327.26 and 522.32

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Solution

The fourth proportional to 884.96, 1,327.26 and 522.32 is: 783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.96 : 1,327.26 = 522.32 : x
  2. Step 2: Convert to fraction form
    884.96/1,327.26 = 522.32/x
  3. Step 3: Cross multiply
    884.96x = 1,327.26 × 522.32
  4. Step 4: Simplify right side
    884.96x = 693,254.44
  5. Step 5: Solve for x
    x = 693,254.44/884.96
  6. Step 6: Final answer
    x = 783.37

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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.