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Finding the Fourth Proportional to 968.94, 1,336.68 and 596.16

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Solution

The fourth proportional to 968.94, 1,336.68 and 596.16 is: 822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.94 : 1,336.68 = 596.16 : x
  2. Step 2: Convert to fraction form
    968.94/1,336.68 = 596.16/x
  3. Step 3: Cross multiply
    968.94x = 1,336.68 × 596.16
  4. Step 4: Simplify right side
    968.94x = 796,875.15
  5. Step 5: Solve for x
    x = 796,875.15/968.94
  6. Step 6: Final answer
    x = 822.42

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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.