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Finding the Fourth Proportional to 746.97, 1,030.85 and 466.99

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Solution

The fourth proportional to 746.97, 1,030.85 and 466.99 is: 644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.97 : 1,030.85 = 466.99 : x
  2. Step 2: Convert to fraction form
    746.97/1,030.85 = 466.99/x
  3. Step 3: Cross multiply
    746.97x = 1,030.85 × 466.99
  4. Step 4: Simplify right side
    746.97x = 481,389.15
  5. Step 5: Solve for x
    x = 481,389.15/746.97
  6. Step 6: Final answer
    x = 644.46

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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.