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Finding the Fourth Proportional to 835.24, 1,151.49 and 704.02

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Solution

The fourth proportional to 835.24, 1,151.49 and 704.02 is: 970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.24 : 1,151.49 = 704.02 : x
  2. Step 2: Convert to fraction form
    835.24/1,151.49 = 704.02/x
  3. Step 3: Cross multiply
    835.24x = 1,151.49 × 704.02
  4. Step 4: Simplify right side
    835.24x = 810,671.75
  5. Step 5: Solve for x
    x = 810,671.75/835.24
  6. Step 6: Final answer
    x = 970.59

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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.