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Finding the Fourth Proportional to 596.24, 822.93 and 420.02

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Solution

The fourth proportional to 596.24, 822.93 and 420.02 is: 579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.24 : 822.93 = 420.02 : x
  2. Step 2: Convert to fraction form
    596.24/822.93 = 420.02/x
  3. Step 3: Cross multiply
    596.24x = 822.93 × 420.02
  4. Step 4: Simplify right side
    596.24x = 345,647.06
  5. Step 5: Solve for x
    x = 345,647.06/596.24
  6. Step 6: Final answer
    x = 579.71

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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.