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Finding the Fourth Proportional to 383,831.61, 576,246.36 and 295,147.41

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Solution

The fourth proportional to 383,831.61, 576,246.36 and 295,147.41 is: 443,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,831.61 : 576,246.36 = 295,147.41 : x
  2. Step 2: Convert to fraction form
    383,831.61/576,246.36 = 295,147.41/x
  3. Step 3: Cross multiply
    383,831.61x = 576,246.36 × 295,147.41
  4. Step 4: Simplify right side
    383,831.61x = 170,077,620,675.93
  5. Step 5: Solve for x
    x = 170,077,620,675.93/383,831.61
  6. Step 6: Final answer
    x = 443,104.78

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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.