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Finding the Fourth Proportional to 363,122.40, 543,608.40 and 270,040.80

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Solution

The fourth proportional to 363,122.40, 543,608.40 and 270,040.80 is: 404,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,122.40 : 543,608.40 = 270,040.80 : x
  2. Step 2: Convert to fraction form
    363,122.40/543,608.40 = 270,040.80/x
  3. Step 3: Cross multiply
    363,122.40x = 543,608.40 × 270,040.80
  4. Step 4: Simplify right side
    363,122.40x = 146,796,447,222.72
  5. Step 5: Solve for x
    x = 146,796,447,222.72/363,122.40
  6. Step 6: Final answer
    x = 404,261.61

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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.