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Finding the Fourth Proportional to 1,063.94, 1,596.11 and 516.38

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Solution

The fourth proportional to 1,063.94, 1,596.11 and 516.38 is: 774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.94 : 1,596.11 = 516.38 : x
  2. Step 2: Convert to fraction form
    1,063.94/1,596.11 = 516.38/x
  3. Step 3: Cross multiply
    1,063.94x = 1,596.11 × 516.38
  4. Step 4: Simplify right side
    1,063.94x = 824,188.72
  5. Step 5: Solve for x
    x = 824,188.72/1,063.94
  6. Step 6: Final answer
    x = 774.66

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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.