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Finding the Fourth Proportional to 383,177, 575,274.18 and 327,375.56

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Solution

The fourth proportional to 383,177, 575,274.18 and 327,375.56 is: 491,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,177 : 575,274.18 = 327,375.56 : x
  2. Step 2: Convert to fraction form
    383,177/575,274.18 = 327,375.56/x
  3. Step 3: Cross multiply
    383,177x = 575,274.18 × 327,375.56
  4. Step 4: Simplify right side
    383,177x = 188,330,706,831.04
  5. Step 5: Solve for x
    x = 188,330,706,831.04/383,177
  6. Step 6: Final answer
    x = 491,497.94

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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.