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Finding the Fourth Proportional to 568.11, 852.44 and 275.86

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Solution

The fourth proportional to 568.11, 852.44 and 275.86 is: 413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.11 : 852.44 = 275.86 : x
  2. Step 2: Convert to fraction form
    568.11/852.44 = 275.86/x
  3. Step 3: Cross multiply
    568.11x = 852.44 × 275.86
  4. Step 4: Simplify right side
    568.11x = 235,154.10
  5. Step 5: Solve for x
    x = 235,154.10/568.11
  6. Step 6: Final answer
    x = 413.92

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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.