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Finding the Fourth Proportional to 968.97, 1,336.73 and 595.82

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Solution

The fourth proportional to 968.97, 1,336.73 and 595.82 is: 821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.97 : 1,336.73 = 595.82 : x
  2. Step 2: Convert to fraction form
    968.97/1,336.73 = 595.82/x
  3. Step 3: Cross multiply
    968.97x = 1,336.73 × 595.82
  4. Step 4: Simplify right side
    968.97x = 796,440.81
  5. Step 5: Solve for x
    x = 796,440.81/968.97
  6. Step 6: Final answer
    x = 821.95

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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.