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Finding the Fourth Proportional to 695.94, 1,044.18 and 263.22

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Solution

The fourth proportional to 695.94, 1,044.18 and 263.22 is: 394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.94 : 1,044.18 = 263.22 : x
  2. Step 2: Convert to fraction form
    695.94/1,044.18 = 263.22/x
  3. Step 3: Cross multiply
    695.94x = 1,044.18 × 263.22
  4. Step 4: Simplify right side
    695.94x = 274,849.06
  5. Step 5: Solve for x
    x = 274,849.06/695.94
  6. Step 6: Final answer
    x = 394.93

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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.