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Finding the Fourth Proportional to 572.37, 853.94 and 544.83

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Solution

The fourth proportional to 572.37, 853.94 and 544.83 is: 812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.37 : 853.94 = 544.83 : x
  2. Step 2: Convert to fraction form
    572.37/853.94 = 544.83/x
  3. Step 3: Cross multiply
    572.37x = 853.94 × 544.83
  4. Step 4: Simplify right side
    572.37x = 465,252.13
  5. Step 5: Solve for x
    x = 465,252.13/572.37
  6. Step 6: Final answer
    x = 812.85

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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.