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Finding the Fourth Proportional to 941.71, 1,412.56 and 325.37

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Solution

The fourth proportional to 941.71, 1,412.56 and 325.37 is: 488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.71 : 1,412.56 = 325.37 : x
  2. Step 2: Convert to fraction form
    941.71/1,412.56 = 325.37/x
  3. Step 3: Cross multiply
    941.71x = 1,412.56 × 325.37
  4. Step 4: Simplify right side
    941.71x = 459,604.65
  5. Step 5: Solve for x
    x = 459,604.65/941.71
  6. Step 6: Final answer
    x = 488.05

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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.