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Finding the Fourth Proportional to 1,016.56, 1,525.73 and 496.95

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Solution

The fourth proportional to 1,016.56, 1,525.73 and 496.95 is: 745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.56 : 1,525.73 = 496.95 : x
  2. Step 2: Convert to fraction form
    1,016.56/1,525.73 = 496.95/x
  3. Step 3: Cross multiply
    1,016.56x = 1,525.73 × 496.95
  4. Step 4: Simplify right side
    1,016.56x = 758,211.52
  5. Step 5: Solve for x
    x = 758,211.52/1,016.56
  6. Step 6: Final answer
    x = 745.86

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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.