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Finding the Fourth Proportional to 883.32, 1,324.28 and 536.56

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Solution

The fourth proportional to 883.32, 1,324.28 and 536.56 is: 804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.32 : 1,324.28 = 536.56 : x
  2. Step 2: Convert to fraction form
    883.32/1,324.28 = 536.56/x
  3. Step 3: Cross multiply
    883.32x = 1,324.28 × 536.56
  4. Step 4: Simplify right side
    883.32x = 710,555.68
  5. Step 5: Solve for x
    x = 710,555.68/883.32
  6. Step 6: Final answer
    x = 804.41

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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.