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Finding the Fourth Proportional to 573.36, 853.74 and 541.68

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Solution

The fourth proportional to 573.36, 853.74 and 541.68 is: 806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.36 : 853.74 = 541.68 : x
  2. Step 2: Convert to fraction form
    573.36/853.74 = 541.68/x
  3. Step 3: Cross multiply
    573.36x = 853.74 × 541.68
  4. Step 4: Simplify right side
    573.36x = 462,453.88
  5. Step 5: Solve for x
    x = 462,453.88/573.36
  6. Step 6: Final answer
    x = 806.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.