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Finding the Fourth Proportional to 573.09, 791.16 and 374.01

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Solution

The fourth proportional to 573.09, 791.16 and 374.01 is: 516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.09 : 791.16 = 374.01 : x
  2. Step 2: Convert to fraction form
    573.09/791.16 = 374.01/x
  3. Step 3: Cross multiply
    573.09x = 791.16 × 374.01
  4. Step 4: Simplify right side
    573.09x = 295,901.75
  5. Step 5: Solve for x
    x = 295,901.75/573.09
  6. Step 6: Final answer
    x = 516.33

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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.