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Finding the Fourth Proportional to 568.75, 853.73 and 294.77

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Solution

The fourth proportional to 568.75, 853.73 and 294.77 is: 442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.75 : 853.73 = 294.77 : x
  2. Step 2: Convert to fraction form
    568.75/853.73 = 294.77/x
  3. Step 3: Cross multiply
    568.75x = 853.73 × 294.77
  4. Step 4: Simplify right side
    568.75x = 251,653.99
  5. Step 5: Solve for x
    x = 251,653.99/568.75
  6. Step 6: Final answer
    x = 442.47

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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.