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Finding the Fourth Proportional to 887.56, 1,324.41 and 882.46

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Solution

The fourth proportional to 887.56, 1,324.41 and 882.46 is: 1,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.56 : 1,324.41 = 882.46 : x
  2. Step 2: Convert to fraction form
    887.56/1,324.41 = 882.46/x
  3. Step 3: Cross multiply
    887.56x = 1,324.41 × 882.46
  4. Step 4: Simplify right side
    887.56x = 1,168,738.85
  5. Step 5: Solve for x
    x = 1,168,738.85/887.56
  6. Step 6: Final answer
    x = 1,316.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.