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Finding the Fourth Proportional to 314.66, 472.26 and 233.66

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Solution

The fourth proportional to 314.66, 472.26 and 233.66 is: 350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.66 : 472.26 = 233.66 : x
  2. Step 2: Convert to fraction form
    314.66/472.26 = 233.66/x
  3. Step 3: Cross multiply
    314.66x = 472.26 × 233.66
  4. Step 4: Simplify right side
    314.66x = 110,348.27
  5. Step 5: Solve for x
    x = 110,348.27/314.66
  6. Step 6: Final answer
    x = 350.69

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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.