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Finding the Fourth Proportional to 629.73, 946.41 and 584.46

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Solution

The fourth proportional to 629.73, 946.41 and 584.46 is: 878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.73 : 946.41 = 584.46 : x
  2. Step 2: Convert to fraction form
    629.73/946.41 = 584.46/x
  3. Step 3: Cross multiply
    629.73x = 946.41 × 584.46
  4. Step 4: Simplify right side
    629.73x = 553,138.79
  5. Step 5: Solve for x
    x = 553,138.79/629.73
  6. Step 6: Final answer
    x = 878.37

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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.