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Finding the Fourth Proportional to 444,830.60, 667,245.90 and 255,873.80

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Solution

The fourth proportional to 444,830.60, 667,245.90 and 255,873.80 is: 383,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,830.60 : 667,245.90 = 255,873.80 : x
  2. Step 2: Convert to fraction form
    444,830.60/667,245.90 = 255,873.80/x
  3. Step 3: Cross multiply
    444,830.60x = 667,245.90 × 255,873.80
  4. Step 4: Simplify right side
    444,830.60x = 170,730,743,967.42
  5. Step 5: Solve for x
    x = 170,730,743,967.42/444,830.60
  6. Step 6: Final answer
    x = 383,810.70

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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.