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Finding the Fourth Proportional to 568.26, 850.68 and 554.28

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Solution

The fourth proportional to 568.26, 850.68 and 554.28 is: 829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.26 : 850.68 = 554.28 : x
  2. Step 2: Convert to fraction form
    568.26/850.68 = 554.28/x
  3. Step 3: Cross multiply
    568.26x = 850.68 × 554.28
  4. Step 4: Simplify right side
    568.26x = 471,514.91
  5. Step 5: Solve for x
    x = 471,514.91/568.26
  6. Step 6: Final answer
    x = 829.75

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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.