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Finding the Fourth Proportional to 277,795.20, 416,692.80 and 90,825.60

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Solution

The fourth proportional to 277,795.20, 416,692.80 and 90,825.60 is: 136,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,795.20 : 416,692.80 = 90,825.60 : x
  2. Step 2: Convert to fraction form
    277,795.20/416,692.80 = 90,825.60/x
  3. Step 3: Cross multiply
    277,795.20x = 416,692.80 × 90,825.60
  4. Step 4: Simplify right side
    277,795.20x = 37,846,373,575.68
  5. Step 5: Solve for x
    x = 37,846,373,575.68/277,795.20
  6. Step 6: Final answer
    x = 136,238.40

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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.