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Finding the Fourth Proportional to 325,881.90, 488,822.85 and 269,894.70

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Solution

The fourth proportional to 325,881.90, 488,822.85 and 269,894.70 is: 404,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,881.90 : 488,822.85 = 269,894.70 : x
  2. Step 2: Convert to fraction form
    325,881.90/488,822.85 = 269,894.70/x
  3. Step 3: Cross multiply
    325,881.90x = 488,822.85 × 269,894.70
  4. Step 4: Simplify right side
    325,881.90x = 131,930,696,453.90
  5. Step 5: Solve for x
    x = 131,930,696,453.90/325,881.90
  6. Step 6: Final answer
    x = 404,842.05

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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.