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Finding the Fourth Proportional to 592.44, 817.62 and 343.74

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Solution

The fourth proportional to 592.44, 817.62 and 343.74 is: 474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.44 : 817.62 = 343.74 : x
  2. Step 2: Convert to fraction form
    592.44/817.62 = 343.74/x
  3. Step 3: Cross multiply
    592.44x = 817.62 × 343.74
  4. Step 4: Simplify right side
    592.44x = 281,048.70
  5. Step 5: Solve for x
    x = 281,048.70/592.44
  6. Step 6: Final answer
    x = 474.39

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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.