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Finding the Fourth Proportional to 958.69, 1,437.26 and 496.54

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Solution

The fourth proportional to 958.69, 1,437.26 and 496.54 is: 744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.69 : 1,437.26 = 496.54 : x
  2. Step 2: Convert to fraction form
    958.69/1,437.26 = 496.54/x
  3. Step 3: Cross multiply
    958.69x = 1,437.26 × 496.54
  4. Step 4: Simplify right side
    958.69x = 713,654.73
  5. Step 5: Solve for x
    x = 713,654.73/958.69
  6. Step 6: Final answer
    x = 744.41

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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.