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Finding the Fourth Proportional to 444,799.20, 667,198.80 and 395,810.40

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Solution

The fourth proportional to 444,799.20, 667,198.80 and 395,810.40 is: 593,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,799.20 : 667,198.80 = 395,810.40 : x
  2. Step 2: Convert to fraction form
    444,799.20/667,198.80 = 395,810.40/x
  3. Step 3: Cross multiply
    444,799.20x = 667,198.80 × 395,810.40
  4. Step 4: Simplify right side
    444,799.20x = 264,084,223,907.52
  5. Step 5: Solve for x
    x = 264,084,223,907.52/444,799.20
  6. Step 6: Final answer
    x = 593,715.60

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Similar ratio
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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.