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Finding the Fourth Proportional to 277,452.80, 416,102.40 and 111,257.60

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Solution

The fourth proportional to 277,452.80, 416,102.40 and 111,257.60 is: 166,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,452.80 : 416,102.40 = 111,257.60 : x
  2. Step 2: Convert to fraction form
    277,452.80/416,102.40 = 111,257.60/x
  3. Step 3: Cross multiply
    277,452.80x = 416,102.40 × 111,257.60
  4. Step 4: Simplify right side
    277,452.80x = 46,294,554,378.24
  5. Step 5: Solve for x
    x = 46,294,554,378.24/277,452.80
  6. Step 6: Final answer
    x = 166,855.60

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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.