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Finding the Fourth Proportional to 968.57, 1,336.84 and 595.87

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Solution

The fourth proportional to 968.57, 1,336.84 and 595.87 is: 822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.57 : 1,336.84 = 595.87 : x
  2. Step 2: Convert to fraction form
    968.57/1,336.84 = 595.87/x
  3. Step 3: Cross multiply
    968.57x = 1,336.84 × 595.87
  4. Step 4: Simplify right side
    968.57x = 796,573.19
  5. Step 5: Solve for x
    x = 796,573.19/968.57
  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.