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Finding the Fourth Proportional to 941.46, 1,411.84 and 325

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Solution

The fourth proportional to 941.46, 1,411.84 and 325 is: 487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.46 : 1,411.84 = 325 : x
  2. Step 2: Convert to fraction form
    941.46/1,411.84 = 325/x
  3. Step 3: Cross multiply
    941.46x = 1,411.84 × 325
  4. Step 4: Simplify right side
    941.46x = 458,848
  5. Step 5: Solve for x
    x = 458,848/941.46
  6. Step 6: Final answer
    x = 487.38

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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.