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Finding the Fourth Proportional to 591.33, 816.03 and 342.73

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Solution

The fourth proportional to 591.33, 816.03 and 342.73 is: 472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.33 : 816.03 = 342.73 : x
  2. Step 2: Convert to fraction form
    591.33/816.03 = 342.73/x
  3. Step 3: Cross multiply
    591.33x = 816.03 × 342.73
  4. Step 4: Simplify right side
    591.33x = 279,677.96
  5. Step 5: Solve for x
    x = 279,677.96/591.33
  6. Step 6: Final answer
    x = 472.96

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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.