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Finding the Fourth Proportional to 444,831.60, 667,247.40 and 255,874.80

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Solution

The fourth proportional to 444,831.60, 667,247.40 and 255,874.80 is: 383,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,831.60 : 667,247.40 = 255,874.80 : x
  2. Step 2: Convert to fraction form
    444,831.60/667,247.40 = 255,874.80/x
  3. Step 3: Cross multiply
    444,831.60x = 667,247.40 × 255,874.80
  4. Step 4: Simplify right side
    444,831.60x = 170,731,795,025.52
  5. Step 5: Solve for x
    x = 170,731,795,025.52/444,831.60
  6. Step 6: Final answer
    x = 383,812.20

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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.