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Finding the Fourth Proportional to 592.35, 817.38 and 396.24

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Solution

The fourth proportional to 592.35, 817.38 and 396.24 is: 546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.35 : 817.38 = 396.24 : x
  2. Step 2: Convert to fraction form
    592.35/817.38 = 396.24/x
  3. Step 3: Cross multiply
    592.35x = 817.38 × 396.24
  4. Step 4: Simplify right side
    592.35x = 323,878.65
  5. Step 5: Solve for x
    x = 323,878.65/592.35
  6. Step 6: Final answer
    x = 546.77

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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.