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Finding the Fourth Proportional to 746.43, 1,030.59 and 466.73

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Solution

The fourth proportional to 746.43, 1,030.59 and 466.73 is: 644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.43 : 1,030.59 = 466.73 : x
  2. Step 2: Convert to fraction form
    746.43/1,030.59 = 466.73/x
  3. Step 3: Cross multiply
    746.43x = 1,030.59 × 466.73
  4. Step 4: Simplify right side
    746.43x = 481,007.27
  5. Step 5: Solve for x
    x = 481,007.27/746.43
  6. Step 6: Final answer
    x = 644.41

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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.