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Finding the Fourth Proportional to 592.05, 817.11 and 382.83

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Solution

The fourth proportional to 592.05, 817.11 and 382.83 is: 528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.05 : 817.11 = 382.83 : x
  2. Step 2: Convert to fraction form
    592.05/817.11 = 382.83/x
  3. Step 3: Cross multiply
    592.05x = 817.11 × 382.83
  4. Step 4: Simplify right side
    592.05x = 312,816.26
  5. Step 5: Solve for x
    x = 312,816.26/592.05
  6. Step 6: Final answer
    x = 528.36

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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.