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Finding the Fourth Proportional to 483.05, 666.55 and 273.24

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Solution

The fourth proportional to 483.05, 666.55 and 273.24 is: 377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.05 : 666.55 = 273.24 : x
  2. Step 2: Convert to fraction form
    483.05/666.55 = 273.24/x
  3. Step 3: Cross multiply
    483.05x = 666.55 × 273.24
  4. Step 4: Simplify right side
    483.05x = 182,128.46
  5. Step 5: Solve for x
    x = 182,128.46/483.05
  6. Step 6: Final answer
    x = 377.04

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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.