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Finding the Fourth Proportional to 591.67, 816.62 and 342.97

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Solution

The fourth proportional to 591.67, 816.62 and 342.97 is: 473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.67 : 816.62 = 342.97 : x
  2. Step 2: Convert to fraction form
    591.67/816.62 = 342.97/x
  3. Step 3: Cross multiply
    591.67x = 816.62 × 342.97
  4. Step 4: Simplify right side
    591.67x = 280,072.41
  5. Step 5: Solve for x
    x = 280,072.41/591.67
  6. Step 6: Final answer
    x = 473.36

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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.