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Finding the Fourth Proportional to 942.50, 1,414.02 and 365.54

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Solution

The fourth proportional to 942.50, 1,414.02 and 365.54 is: 548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.50 : 1,414.02 = 365.54 : x
  2. Step 2: Convert to fraction form
    942.50/1,414.02 = 365.54/x
  3. Step 3: Cross multiply
    942.50x = 1,414.02 × 365.54
  4. Step 4: Simplify right side
    942.50x = 516,880.87
  5. Step 5: Solve for x
    x = 516,880.87/942.50
  6. Step 6: Final answer
    x = 548.41

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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.