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Finding the Fourth Proportional to 941.33, 1,410.63 and 667.96

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Solution

The fourth proportional to 941.33, 1,410.63 and 667.96 is: 1,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.33 : 1,410.63 = 667.96 : x
  2. Step 2: Convert to fraction form
    941.33/1,410.63 = 667.96/x
  3. Step 3: Cross multiply
    941.33x = 1,410.63 × 667.96
  4. Step 4: Simplify right side
    941.33x = 942,237.36
  5. Step 5: Solve for x
    x = 942,237.36/941.33
  6. Step 6: Final answer
    x = 1,000.96

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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.