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Finding the Fourth Proportional to 363,974.80, 545,832.60 and 164,390.80

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Solution

The fourth proportional to 363,974.80, 545,832.60 and 164,390.80 is: 246,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,974.80 : 545,832.60 = 164,390.80 : x
  2. Step 2: Convert to fraction form
    363,974.80/545,832.60 = 164,390.80/x
  3. Step 3: Cross multiply
    363,974.80x = 545,832.60 × 164,390.80
  4. Step 4: Simplify right side
    363,974.80x = 89,729,857,780.08
  5. Step 5: Solve for x
    x = 89,729,857,780.08/363,974.80
  6. Step 6: Final answer
    x = 246,527.67

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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.