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Finding the Fourth Proportional to 575.31, 793.38 and 533.37

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Solution

The fourth proportional to 575.31, 793.38 and 533.37 is: 735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.31 : 793.38 = 533.37 : x
  2. Step 2: Convert to fraction form
    575.31/793.38 = 533.37/x
  3. Step 3: Cross multiply
    575.31x = 793.38 × 533.37
  4. Step 4: Simplify right side
    575.31x = 423,165.09
  5. Step 5: Solve for x
    x = 423,165.09/575.31
  6. Step 6: Final answer
    x = 735.54

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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.