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Finding the Fourth Proportional to 697.39, 1,046.07 and 184.39

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Solution

The fourth proportional to 697.39, 1,046.07 and 184.39 is: 276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.39 : 1,046.07 = 184.39 : x
  2. Step 2: Convert to fraction form
    697.39/1,046.07 = 184.39/x
  3. Step 3: Cross multiply
    697.39x = 1,046.07 × 184.39
  4. Step 4: Simplify right side
    697.39x = 192,884.85
  5. Step 5: Solve for x
    x = 192,884.85/697.39
  6. Step 6: Final answer
    x = 276.58

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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.