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Finding the Fourth Proportional to 701.94, 1,052.91 and 188.94

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Solution

The fourth proportional to 701.94, 1,052.91 and 188.94 is: 283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.94 : 1,052.91 = 188.94 : x
  2. Step 2: Convert to fraction form
    701.94/1,052.91 = 188.94/x
  3. Step 3: Cross multiply
    701.94x = 1,052.91 × 188.94
  4. Step 4: Simplify right side
    701.94x = 198,935.87
  5. Step 5: Solve for x
    x = 198,935.87/701.94
  6. Step 6: Final answer
    x = 283.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.