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Finding the Fourth Proportional to 483.03, 666.63 and 273.24

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Solution

The fourth proportional to 483.03, 666.63 and 273.24 is: 377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.03 : 666.63 = 273.24 : x
  2. Step 2: Convert to fraction form
    483.03/666.63 = 273.24/x
  3. Step 3: Cross multiply
    483.03x = 666.63 × 273.24
  4. Step 4: Simplify right side
    483.03x = 182,149.98
  5. Step 5: Solve for x
    x = 182,149.98/483.03
  6. Step 6: Final answer
    x = 377.10

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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.