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Finding the Fourth Proportional to 365.75, 504.74 and 234.79

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Solution

The fourth proportional to 365.75, 504.74 and 234.79 is: 324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.75 : 504.74 = 234.79 : x
  2. Step 2: Convert to fraction form
    365.75/504.74 = 234.79/x
  3. Step 3: Cross multiply
    365.75x = 504.74 × 234.79
  4. Step 4: Simplify right side
    365.75x = 118,504.21
  5. Step 5: Solve for x
    x = 118,504.21/365.75
  6. Step 6: Final answer
    x = 324.00

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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.