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Finding the Fourth Proportional to 572.44, 789.96 and 533.26

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Solution

The fourth proportional to 572.44, 789.96 and 533.26 is: 735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.44 : 789.96 = 533.26 : x
  2. Step 2: Convert to fraction form
    572.44/789.96 = 533.26/x
  3. Step 3: Cross multiply
    572.44x = 789.96 × 533.26
  4. Step 4: Simplify right side
    572.44x = 421,254.07
  5. Step 5: Solve for x
    x = 421,254.07/572.44
  6. Step 6: Final answer
    x = 735.89

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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.