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Finding the Fourth Proportional to 941.88, 1,412.24 and 325.27

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Solution

The fourth proportional to 941.88, 1,412.24 and 325.27 is: 487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.88 : 1,412.24 = 325.27 : x
  2. Step 2: Convert to fraction form
    941.88/1,412.24 = 325.27/x
  3. Step 3: Cross multiply
    941.88x = 1,412.24 × 325.27
  4. Step 4: Simplify right side
    941.88x = 459,351.50
  5. Step 5: Solve for x
    x = 459,351.50/941.88
  6. Step 6: Final answer
    x = 487.70

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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.