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Finding the Fourth Proportional to 494,792.55, 682,878.11 and 277,084.22

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Solution

The fourth proportional to 494,792.55, 682,878.11 and 277,084.22 is: 382,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,792.55 : 682,878.11 = 277,084.22 : x
  2. Step 2: Convert to fraction form
    494,792.55/682,878.11 = 277,084.22/x
  3. Step 3: Cross multiply
    494,792.55x = 682,878.11 × 277,084.22
  4. Step 4: Simplify right side
    494,792.55x = 189,214,743,664.61
  5. Step 5: Solve for x
    x = 189,214,743,664.61/494,792.55
  6. Step 6: Final answer
    x = 382,412.27

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1.5x scale

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.