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Finding the Fourth Proportional to 489,042.60, 733,272.30 and 252,846.60

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Solution

The fourth proportional to 489,042.60, 733,272.30 and 252,846.60 is: 379,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,042.60 : 733,272.30 = 252,846.60 : x
  2. Step 2: Convert to fraction form
    489,042.60/733,272.30 = 252,846.60/x
  3. Step 3: Cross multiply
    489,042.60x = 733,272.30 × 252,846.60
  4. Step 4: Simplify right side
    489,042.60x = 185,405,407,929.18
  5. Step 5: Solve for x
    x = 185,405,407,929.18/489,042.60
  6. Step 6: Final answer
    x = 379,119.14

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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.