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Finding the Fourth Proportional to 326,084.26, 488,879.91 and 213,792.73

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Solution

The fourth proportional to 326,084.26, 488,879.91 and 213,792.73 is: 320,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,084.26 : 488,879.91 = 213,792.73 : x
  2. Step 2: Convert to fraction form
    326,084.26/488,879.91 = 213,792.73/x
  3. Step 3: Cross multiply
    326,084.26x = 488,879.91 × 213,792.73
  4. Step 4: Simplify right side
    326,084.26x = 104,518,970,601.05
  5. Step 5: Solve for x
    x = 104,518,970,601.05/326,084.26
  6. Step 6: Final answer
    x = 320,527.49

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1.5x scale

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.