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Finding the Fourth Proportional to 568.18, 849.84 and 482.32

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Solution

The fourth proportional to 568.18, 849.84 and 482.32 is: 721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.18 : 849.84 = 482.32 : x
  2. Step 2: Convert to fraction form
    568.18/849.84 = 482.32/x
  3. Step 3: Cross multiply
    568.18x = 849.84 × 482.32
  4. Step 4: Simplify right side
    568.18x = 409,894.83
  5. Step 5: Solve for x
    x = 409,894.83/568.18
  6. Step 6: Final answer
    x = 721.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.