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Finding the Fourth Proportional to 489,841.44, 675,981.48 and 275,051.04

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Solution

The fourth proportional to 489,841.44, 675,981.48 and 275,051.04 is: 379,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,841.44 : 675,981.48 = 275,051.04 : x
  2. Step 2: Convert to fraction form
    489,841.44/675,981.48 = 275,051.04/x
  3. Step 3: Cross multiply
    489,841.44x = 675,981.48 × 275,051.04
  4. Step 4: Simplify right side
    489,841.44x = 185,929,409,094.74
  5. Step 5: Solve for x
    x = 185,929,409,094.74/489,841.44
  6. Step 6: Final answer
    x = 379,570.60

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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.