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Finding the Fourth Proportional to 379,569.60, 523,792.08 and 218,449.44

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Solution

The fourth proportional to 379,569.60, 523,792.08 and 218,449.44 is: 301,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,569.60 : 523,792.08 = 218,449.44 : x
  2. Step 2: Convert to fraction form
    379,569.60/523,792.08 = 218,449.44/x
  3. Step 3: Cross multiply
    379,569.60x = 523,792.08 × 218,449.44
  4. Step 4: Simplify right side
    379,569.60x = 114,422,086,552.44
  5. Step 5: Solve for x
    x = 114,422,086,552.44/379,569.60
  6. Step 6: Final answer
    x = 301,452.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.