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Finding the Fourth Proportional to 444,859.60, 667,289.40 and 255,902.80

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Solution

The fourth proportional to 444,859.60, 667,289.40 and 255,902.80 is: 383,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,859.60 : 667,289.40 = 255,902.80 : x
  2. Step 2: Convert to fraction form
    444,859.60/667,289.40 = 255,902.80/x
  3. Step 3: Cross multiply
    444,859.60x = 667,289.40 × 255,902.80
  4. Step 4: Simplify right side
    444,859.60x = 170,761,225,870.32
  5. Step 5: Solve for x
    x = 170,761,225,870.32/444,859.60
  6. Step 6: Final answer
    x = 383,854.20

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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.