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Finding the Fourth Proportional to 591.26, 816.03 and 342.59

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Solution

The fourth proportional to 591.26, 816.03 and 342.59 is: 472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.26 : 816.03 = 342.59 : x
  2. Step 2: Convert to fraction form
    591.26/816.03 = 342.59/x
  3. Step 3: Cross multiply
    591.26x = 816.03 × 342.59
  4. Step 4: Simplify right side
    591.26x = 279,565.76
  5. Step 5: Solve for x
    x = 279,565.76/591.26
  6. Step 6: Final answer
    x = 472.83

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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.