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Finding the Fourth Proportional to 942.92, 1,414.34 and 365.76

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Solution

The fourth proportional to 942.92, 1,414.34 and 365.76 is: 548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.92 : 1,414.34 = 365.76 : x
  2. Step 2: Convert to fraction form
    942.92/1,414.34 = 365.76/x
  3. Step 3: Cross multiply
    942.92x = 1,414.34 × 365.76
  4. Step 4: Simplify right side
    942.92x = 517,309.00
  5. Step 5: Solve for x
    x = 517,309.00/942.92
  6. Step 6: Final answer
    x = 548.62

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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.