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Finding the Fourth Proportional to 941.37, 1,297.82 and 676.22

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Solution

The fourth proportional to 941.37, 1,297.82 and 676.22 is: 932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.37 : 1,297.82 = 676.22 : x
  2. Step 2: Convert to fraction form
    941.37/1,297.82 = 676.22/x
  3. Step 3: Cross multiply
    941.37x = 1,297.82 × 676.22
  4. Step 4: Simplify right side
    941.37x = 877,601.97
  5. Step 5: Solve for x
    x = 877,601.97/941.37
  6. Step 6: Final answer
    x = 932.26

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1.5x scale

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.