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Finding the Fourth Proportional to 908.23, 1,252.94 and 593.41

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Solution

The fourth proportional to 908.23, 1,252.94 and 593.41 is: 818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.23 : 1,252.94 = 593.41 : x
  2. Step 2: Convert to fraction form
    908.23/1,252.94 = 593.41/x
  3. Step 3: Cross multiply
    908.23x = 1,252.94 × 593.41
  4. Step 4: Simplify right side
    908.23x = 743,497.89
  5. Step 5: Solve for x
    x = 743,497.89/908.23
  6. Step 6: Final answer
    x = 818.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.