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Finding the Fourth Proportional to 592.17, 817.20 and 396.06

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Solution

The fourth proportional to 592.17, 817.20 and 396.06 is: 546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.17 : 817.20 = 396.06 : x
  2. Step 2: Convert to fraction form
    592.17/817.20 = 396.06/x
  3. Step 3: Cross multiply
    592.17x = 817.20 × 396.06
  4. Step 4: Simplify right side
    592.17x = 323,660.23
  5. Step 5: Solve for x
    x = 323,660.23/592.17
  6. Step 6: Final answer
    x = 546.57

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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.