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Finding the Fourth Proportional to 703.26, 977.36 and 695.97

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Solution

The fourth proportional to 703.26, 977.36 and 695.97 is: 967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.26 : 977.36 = 695.97 : x
  2. Step 2: Convert to fraction form
    703.26/977.36 = 695.97/x
  3. Step 3: Cross multiply
    703.26x = 977.36 × 695.97
  4. Step 4: Simplify right side
    703.26x = 680,209.76
  5. Step 5: Solve for x
    x = 680,209.76/703.26
  6. Step 6: Final answer
    x = 967.22

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.