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Finding the Fourth Proportional to 592.73, 817.70 and 356.43

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Solution

The fourth proportional to 592.73, 817.70 and 356.43 is: 491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.73 : 817.70 = 356.43 : x
  2. Step 2: Convert to fraction form
    592.73/817.70 = 356.43/x
  3. Step 3: Cross multiply
    592.73x = 817.70 × 356.43
  4. Step 4: Simplify right side
    592.73x = 291,451.03
  5. Step 5: Solve for x
    x = 291,451.03/592.73
  6. Step 6: Final answer
    x = 491.71

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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.