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Finding the Fourth Proportional to 575.37, 793.92 and 339.52

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Solution

The fourth proportional to 575.37, 793.92 and 339.52 is: 468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.37 : 793.92 = 339.52 : x
  2. Step 2: Convert to fraction form
    575.37/793.92 = 339.52/x
  3. Step 3: Cross multiply
    575.37x = 793.92 × 339.52
  4. Step 4: Simplify right side
    575.37x = 269,551.72
  5. Step 5: Solve for x
    x = 269,551.72/575.37
  6. Step 6: Final answer
    x = 468.48

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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.