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Finding the Fourth Proportional to 596.84, 822.86 and 409.99

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Solution

The fourth proportional to 596.84, 822.86 and 409.99 is: 565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.84 : 822.86 = 409.99 : x
  2. Step 2: Convert to fraction form
    596.84/822.86 = 409.99/x
  3. Step 3: Cross multiply
    596.84x = 822.86 × 409.99
  4. Step 4: Simplify right side
    596.84x = 337,361.03
  5. Step 5: Solve for x
    x = 337,361.03/596.84
  6. Step 6: Final answer
    x = 565.24

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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.