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Finding the Fourth Proportional to 702.27, 962.48 and 693.97

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Solution

The fourth proportional to 702.27, 962.48 and 693.97 is: 951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.27 : 962.48 = 693.97 : x
  2. Step 2: Convert to fraction form
    702.27/962.48 = 693.97/x
  3. Step 3: Cross multiply
    702.27x = 962.48 × 693.97
  4. Step 4: Simplify right side
    702.27x = 667,931.57
  5. Step 5: Solve for x
    x = 667,931.57/702.27
  6. Step 6: Final answer
    x = 951.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.