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Finding the Fourth Proportional to 736.56, 1,016.27 and 441.75

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Solution

The fourth proportional to 736.56, 1,016.27 and 441.75 is: 609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.56 : 1,016.27 = 441.75 : x
  2. Step 2: Convert to fraction form
    736.56/1,016.27 = 441.75/x
  3. Step 3: Cross multiply
    736.56x = 1,016.27 × 441.75
  4. Step 4: Simplify right side
    736.56x = 448,935.06
  5. Step 5: Solve for x
    x = 448,935.06/736.56
  6. Step 6: Final answer
    x = 609.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.