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Finding the Fourth Proportional to 303,419.88, 454,989.02 and 177,096.49

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Solution

The fourth proportional to 303,419.88, 454,989.02 and 177,096.49 is: 265,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,419.88 : 454,989.02 = 177,096.49 : x
  2. Step 2: Convert to fraction form
    303,419.88/454,989.02 = 177,096.49/x
  3. Step 3: Cross multiply
    303,419.88x = 454,989.02 × 177,096.49
  4. Step 4: Simplify right side
    303,419.88x = 80,576,957,735.81
  5. Step 5: Solve for x
    x = 80,576,957,735.81/303,419.88
  6. Step 6: Final answer
    x = 265,562.55

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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.