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Finding the Fourth Proportional to 273.42, 409.95 and 150.03

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Solution

The fourth proportional to 273.42, 409.95 and 150.03 is: 224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.42 : 409.95 = 150.03 : x
  2. Step 2: Convert to fraction form
    273.42/409.95 = 150.03/x
  3. Step 3: Cross multiply
    273.42x = 409.95 × 150.03
  4. Step 4: Simplify right side
    273.42x = 61,504.80
  5. Step 5: Solve for x
    x = 61,504.80/273.42
  6. Step 6: Final answer
    x = 224.95

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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.