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Finding the Fourth Proportional to 837.44, 1,156.44 and 704.84

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Solution

The fourth proportional to 837.44, 1,156.44 and 704.84 is: 973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.44 : 1,156.44 = 704.84 : x
  2. Step 2: Convert to fraction form
    837.44/1,156.44 = 704.84/x
  3. Step 3: Cross multiply
    837.44x = 1,156.44 × 704.84
  4. Step 4: Simplify right side
    837.44x = 815,105.17
  5. Step 5: Solve for x
    x = 815,105.17/837.44
  6. Step 6: Final answer
    x = 973.33

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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.