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Finding the Fourth Proportional to 277,683.50, 416,525.31 and 67,321.44

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Solution

The fourth proportional to 277,683.50, 416,525.31 and 67,321.44 is: 100,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,683.50 : 416,525.31 = 67,321.44 : x
  2. Step 2: Convert to fraction form
    277,683.50/416,525.31 = 67,321.44/x
  3. Step 3: Cross multiply
    277,683.50x = 416,525.31 × 67,321.44
  4. Step 4: Simplify right side
    277,683.50x = 28,041,084,440.73
  5. Step 5: Solve for x
    x = 28,041,084,440.73/277,683.50
  6. Step 6: Final answer
    x = 100,982.18

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1.5x scale

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.