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Finding the Fourth Proportional to 575.54, 794.16 and 339.56

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Solution

The fourth proportional to 575.54, 794.16 and 339.56 is: 468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.54 : 794.16 = 339.56 : x
  2. Step 2: Convert to fraction form
    575.54/794.16 = 339.56/x
  3. Step 3: Cross multiply
    575.54x = 794.16 × 339.56
  4. Step 4: Simplify right side
    575.54x = 269,664.97
  5. Step 5: Solve for x
    x = 269,664.97/575.54
  6. Step 6: Final answer
    x = 468.54

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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.