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Finding the Fourth Proportional to 695.88, 963 and 602.64

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Solution

The fourth proportional to 695.88, 963 and 602.64 is: 833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.88 : 963 = 602.64 : x
  2. Step 2: Convert to fraction form
    695.88/963 = 602.64/x
  3. Step 3: Cross multiply
    695.88x = 963 × 602.64
  4. Step 4: Simplify right side
    695.88x = 580,342.32
  5. Step 5: Solve for x
    x = 580,342.32/695.88
  6. Step 6: Final answer
    x = 833.97

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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.