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Finding the Fourth Proportional to 574.88, 793.41 and 365.09

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Solution

The fourth proportional to 574.88, 793.41 and 365.09 is: 503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.88 : 793.41 = 365.09 : x
  2. Step 2: Convert to fraction form
    574.88/793.41 = 365.09/x
  3. Step 3: Cross multiply
    574.88x = 793.41 × 365.09
  4. Step 4: Simplify right side
    574.88x = 289,666.06
  5. Step 5: Solve for x
    x = 289,666.06/574.88
  6. Step 6: Final answer
    x = 503.87

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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.