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Finding the Fourth Proportional to 884.26, 1,325.49 and 536.74

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Solution

The fourth proportional to 884.26, 1,325.49 and 536.74 is: 804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.26 : 1,325.49 = 536.74 : x
  2. Step 2: Convert to fraction form
    884.26/1,325.49 = 536.74/x
  3. Step 3: Cross multiply
    884.26x = 1,325.49 × 536.74
  4. Step 4: Simplify right side
    884.26x = 711,443.50
  5. Step 5: Solve for x
    x = 711,443.50/884.26
  6. Step 6: Final answer
    x = 804.56

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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.