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Finding the Fourth Proportional to 592.05, 815.34 and 579.33

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Solution

The fourth proportional to 592.05, 815.34 and 579.33 is: 797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.05 : 815.34 = 579.33 : x
  2. Step 2: Convert to fraction form
    592.05/815.34 = 579.33/x
  3. Step 3: Cross multiply
    592.05x = 815.34 × 579.33
  4. Step 4: Simplify right side
    592.05x = 472,350.92
  5. Step 5: Solve for x
    x = 472,350.92/592.05
  6. Step 6: Final answer
    x = 797.82

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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.