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Finding the Fourth Proportional to 946.62, 1,304.91 and 759.24

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Solution

The fourth proportional to 946.62, 1,304.91 and 759.24 is: 1,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.62 : 1,304.91 = 759.24 : x
  2. Step 2: Convert to fraction form
    946.62/1,304.91 = 759.24/x
  3. Step 3: Cross multiply
    946.62x = 1,304.91 × 759.24
  4. Step 4: Simplify right side
    946.62x = 990,739.87
  5. Step 5: Solve for x
    x = 990,739.87/946.62
  6. Step 6: Final answer
    x = 1,046.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.