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Finding the Fourth Proportional to 592.43, 817.51 and 330.44

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Solution

The fourth proportional to 592.43, 817.51 and 330.44 is: 455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.43 : 817.51 = 330.44 : x
  2. Step 2: Convert to fraction form
    592.43/817.51 = 330.44/x
  3. Step 3: Cross multiply
    592.43x = 817.51 × 330.44
  4. Step 4: Simplify right side
    592.43x = 270,133.09
  5. Step 5: Solve for x
    x = 270,133.09/592.43
  6. Step 6: Final answer
    x = 455.98

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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.