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Finding the Fourth Proportional to 884.63, 1,327.45 and 364.56

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Solution

The fourth proportional to 884.63, 1,327.45 and 364.56 is: 547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.63 : 1,327.45 = 364.56 : x
  2. Step 2: Convert to fraction form
    884.63/1,327.45 = 364.56/x
  3. Step 3: Cross multiply
    884.63x = 1,327.45 × 364.56
  4. Step 4: Simplify right side
    884.63x = 483,928.94
  5. Step 5: Solve for x
    x = 483,928.94/884.63
  6. Step 6: Final answer
    x = 547.04

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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.