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Finding the Fourth Proportional to 591.44, 887.04 and 216.24

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Solution

The fourth proportional to 591.44, 887.04 and 216.24 is: 324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.44 : 887.04 = 216.24 : x
  2. Step 2: Convert to fraction form
    591.44/887.04 = 216.24/x
  3. Step 3: Cross multiply
    591.44x = 887.04 × 216.24
  4. Step 4: Simplify right side
    591.44x = 191,813.53
  5. Step 5: Solve for x
    x = 191,813.53/591.44
  6. Step 6: Final answer
    x = 324.32

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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.