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Finding the Fourth Proportional to 896.58, 1,334.02 and 874.26

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Solution

The fourth proportional to 896.58, 1,334.02 and 874.26 is: 1,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.58 : 1,334.02 = 874.26 : x
  2. Step 2: Convert to fraction form
    896.58/1,334.02 = 874.26/x
  3. Step 3: Cross multiply
    896.58x = 1,334.02 × 874.26
  4. Step 4: Simplify right side
    896.58x = 1,166,280.33
  5. Step 5: Solve for x
    x = 1,166,280.33/896.58
  6. Step 6: Final answer
    x = 1,300.81

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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.