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Finding the Fourth Proportional to 366.37, 504.74 and 255.65

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Solution

The fourth proportional to 366.37, 504.74 and 255.65 is: 352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.37 : 504.74 = 255.65 : x
  2. Step 2: Convert to fraction form
    366.37/504.74 = 255.65/x
  3. Step 3: Cross multiply
    366.37x = 504.74 × 255.65
  4. Step 4: Simplify right side
    366.37x = 129,037.02
  5. Step 5: Solve for x
    x = 129,037.02/366.37
  6. Step 6: Final answer
    x = 352.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.