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Finding the Fourth Proportional to 884.34, 1,323.79 and 833.06

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Solution

The fourth proportional to 884.34, 1,323.79 and 833.06 is: 1,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.34 : 1,323.79 = 833.06 : x
  2. Step 2: Convert to fraction form
    884.34/1,323.79 = 833.06/x
  3. Step 3: Cross multiply
    884.34x = 1,323.79 × 833.06
  4. Step 4: Simplify right side
    884.34x = 1,102,796.50
  5. Step 5: Solve for x
    x = 1,102,796.50/884.34
  6. Step 6: Final answer
    x = 1,247.03

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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.