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Finding the Fourth Proportional to 591.48, 887.21 and 244.43

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Solution

The fourth proportional to 591.48, 887.21 and 244.43 is: 366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.48 : 887.21 = 244.43 : x
  2. Step 2: Convert to fraction form
    591.48/887.21 = 244.43/x
  3. Step 3: Cross multiply
    591.48x = 887.21 × 244.43
  4. Step 4: Simplify right side
    591.48x = 216,860.74
  5. Step 5: Solve for x
    x = 216,860.74/591.48
  6. Step 6: Final answer
    x = 366.64

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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.