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Finding the Fourth Proportional to 366.24, 548.93 and 203.60

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Solution

The fourth proportional to 366.24, 548.93 and 203.60 is: 305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.24 : 548.93 = 203.60 : x
  2. Step 2: Convert to fraction form
    366.24/548.93 = 203.60/x
  3. Step 3: Cross multiply
    366.24x = 548.93 × 203.60
  4. Step 4: Simplify right side
    366.24x = 111,759.40
  5. Step 5: Solve for x
    x = 111,759.40/366.24
  6. Step 6: Final answer
    x = 305.16

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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.