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Finding the Fourth Proportional to 314.37, 470.96 and 263.34

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Solution

The fourth proportional to 314.37, 470.96 and 263.34 is: 394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.37 : 470.96 = 263.34 : x
  2. Step 2: Convert to fraction form
    314.37/470.96 = 263.34/x
  3. Step 3: Cross multiply
    314.37x = 470.96 × 263.34
  4. Step 4: Simplify right side
    314.37x = 124,021.29
  5. Step 5: Solve for x
    x = 124,021.29/314.37
  6. Step 6: Final answer
    x = 394.51

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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.