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Finding the Fourth Proportional to 701.28, 968.40 and 583.44

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Solution

The fourth proportional to 701.28, 968.40 and 583.44 is: 805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.28 : 968.40 = 583.44 : x
  2. Step 2: Convert to fraction form
    701.28/968.40 = 583.44/x
  3. Step 3: Cross multiply
    701.28x = 968.40 × 583.44
  4. Step 4: Simplify right side
    701.28x = 565,003.30
  5. Step 5: Solve for x
    x = 565,003.30/701.28
  6. Step 6: Final answer
    x = 805.67

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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.