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Finding the Fourth Proportional to 364.14, 546.48 and 273.02

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Solution

The fourth proportional to 364.14, 546.48 and 273.02 is: 409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.14 : 546.48 = 273.02 : x
  2. Step 2: Convert to fraction form
    364.14/546.48 = 273.02/x
  3. Step 3: Cross multiply
    364.14x = 546.48 × 273.02
  4. Step 4: Simplify right side
    364.14x = 149,197.24
  5. Step 5: Solve for x
    x = 149,197.24/364.14
  6. Step 6: Final answer
    x = 409.72

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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.