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Finding the Fourth Proportional to 694.89, 1,046.44 and 604.67

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Solution

The fourth proportional to 694.89, 1,046.44 and 604.67 is: 910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.89 : 1,046.44 = 604.67 : x
  2. Step 2: Convert to fraction form
    694.89/1,046.44 = 604.67/x
  3. Step 3: Cross multiply
    694.89x = 1,046.44 × 604.67
  4. Step 4: Simplify right side
    694.89x = 632,751.98
  5. Step 5: Solve for x
    x = 632,751.98/694.89
  6. Step 6: Final answer
    x = 910.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.