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Finding the Fourth Proportional to 908.36, 1,252.74 and 593.50

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Solution

The fourth proportional to 908.36, 1,252.74 and 593.50 is: 818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.36 : 1,252.74 = 593.50 : x
  2. Step 2: Convert to fraction form
    908.36/1,252.74 = 593.50/x
  3. Step 3: Cross multiply
    908.36x = 1,252.74 × 593.50
  4. Step 4: Simplify right side
    908.36x = 743,501.19
  5. Step 5: Solve for x
    x = 743,501.19/908.36
  6. Step 6: Final answer
    x = 818.51

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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.