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Finding the Fourth Proportional to 884.84, 1,327.16 and 235.56

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Solution

The fourth proportional to 884.84, 1,327.16 and 235.56 is: 353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.84 : 1,327.16 = 235.56 : x
  2. Step 2: Convert to fraction form
    884.84/1,327.16 = 235.56/x
  3. Step 3: Cross multiply
    884.84x = 1,327.16 × 235.56
  4. Step 4: Simplify right side
    884.84x = 312,625.81
  5. Step 5: Solve for x
    x = 312,625.81/884.84
  6. Step 6: Final answer
    x = 353.31

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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.