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Finding the Fourth Proportional to 943.34, 1,414.83 and 366.14

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Solution

The fourth proportional to 943.34, 1,414.83 and 366.14 is: 549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.34 : 1,414.83 = 366.14 : x
  2. Step 2: Convert to fraction form
    943.34/1,414.83 = 366.14/x
  3. Step 3: Cross multiply
    943.34x = 1,414.83 × 366.14
  4. Step 4: Simplify right side
    943.34x = 518,025.86
  5. Step 5: Solve for x
    x = 518,025.86/943.34
  6. Step 6: Final answer
    x = 549.14

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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.