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Finding the Fourth Proportional to 968.36, 1,336.20 and 575.54

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Solution

The fourth proportional to 968.36, 1,336.20 and 575.54 is: 794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.36 : 1,336.20 = 575.54 : x
  2. Step 2: Convert to fraction form
    968.36/1,336.20 = 575.54/x
  3. Step 3: Cross multiply
    968.36x = 1,336.20 × 575.54
  4. Step 4: Simplify right side
    968.36x = 769,036.55
  5. Step 5: Solve for x
    x = 769,036.55/968.36
  6. Step 6: Final answer
    x = 794.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.