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Finding the Fourth Proportional to 592.49, 817.64 and 326.94

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Solution

The fourth proportional to 592.49, 817.64 and 326.94 is: 451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.49 : 817.64 = 326.94 : x
  2. Step 2: Convert to fraction form
    592.49/817.64 = 326.94/x
  3. Step 3: Cross multiply
    592.49x = 817.64 × 326.94
  4. Step 4: Simplify right side
    592.49x = 267,319.22
  5. Step 5: Solve for x
    x = 267,319.22/592.49
  6. Step 6: Final answer
    x = 451.18

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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.