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Finding the Fourth Proportional to 894.22, 1,341.84 and 698.67

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Solution

The fourth proportional to 894.22, 1,341.84 and 698.67 is: 1,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.22 : 1,341.84 = 698.67 : x
  2. Step 2: Convert to fraction form
    894.22/1,341.84 = 698.67/x
  3. Step 3: Cross multiply
    894.22x = 1,341.84 × 698.67
  4. Step 4: Simplify right side
    894.22x = 937,511.00
  5. Step 5: Solve for x
    x = 937,511.00/894.22
  6. Step 6: Final answer
    x = 1,048.41

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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.