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Finding the Fourth Proportional to 568.62, 846.99 and 561.06

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Solution

The fourth proportional to 568.62, 846.99 and 561.06 is: 835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.62 : 846.99 = 561.06 : x
  2. Step 2: Convert to fraction form
    568.62/846.99 = 561.06/x
  3. Step 3: Cross multiply
    568.62x = 846.99 × 561.06
  4. Step 4: Simplify right side
    568.62x = 475,212.21
  5. Step 5: Solve for x
    x = 475,212.21/568.62
  6. Step 6: Final answer
    x = 835.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.