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Finding the Fourth Proportional to 314.33, 470.88 and 262.08

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Solution

The fourth proportional to 314.33, 470.88 and 262.08 is: 392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.33 : 470.88 = 262.08 : x
  2. Step 2: Convert to fraction form
    314.33/470.88 = 262.08/x
  3. Step 3: Cross multiply
    314.33x = 470.88 × 262.08
  4. Step 4: Simplify right side
    314.33x = 123,408.23
  5. Step 5: Solve for x
    x = 123,408.23/314.33
  6. Step 6: Final answer
    x = 392.61

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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.