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Finding the Fourth Proportional to 584.60, 876.48 and 379.26

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Solution

The fourth proportional to 584.60, 876.48 and 379.26 is: 568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.60 : 876.48 = 379.26 : x
  2. Step 2: Convert to fraction form
    584.60/876.48 = 379.26/x
  3. Step 3: Cross multiply
    584.60x = 876.48 × 379.26
  4. Step 4: Simplify right side
    584.60x = 332,413.80
  5. Step 5: Solve for x
    x = 332,413.80/584.60
  6. Step 6: Final answer
    x = 568.62

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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.