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Finding the Fourth Proportional to 543,122.80, 814,975.80 and 227,611.60

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Solution

The fourth proportional to 543,122.80, 814,975.80 and 227,611.60 is: 341,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,122.80 : 814,975.80 = 227,611.60 : x
  2. Step 2: Convert to fraction form
    543,122.80/814,975.80 = 227,611.60/x
  3. Step 3: Cross multiply
    543,122.80x = 814,975.80 × 227,611.60
  4. Step 4: Simplify right side
    543,122.80x = 185,497,945,799.28
  5. Step 5: Solve for x
    x = 185,497,945,799.28/543,122.80
  6. Step 6: Final answer
    x = 341,539.60

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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.