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Finding the Fourth Proportional to 695.90, 960 and 460.26

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Solution

The fourth proportional to 695.90, 960 and 460.26 is: 634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.90 : 960 = 460.26 : x
  2. Step 2: Convert to fraction form
    695.90/960 = 460.26/x
  3. Step 3: Cross multiply
    695.90x = 960 × 460.26
  4. Step 4: Simplify right side
    695.90x = 441,849.60
  5. Step 5: Solve for x
    x = 441,849.60/695.90
  6. Step 6: Final answer
    x = 634.93

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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.