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Finding the Fourth Proportional to 300,873.28, 451,193.28 and 160,555.36

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Solution

The fourth proportional to 300,873.28, 451,193.28 and 160,555.36 is: 240,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,873.28 : 451,193.28 = 160,555.36 : x
  2. Step 2: Convert to fraction form
    300,873.28/451,193.28 = 160,555.36/x
  3. Step 3: Cross multiply
    300,873.28x = 451,193.28 × 160,555.36
  4. Step 4: Simplify right side
    300,873.28x = 72,441,499,499.98
  5. Step 5: Solve for x
    x = 72,441,499,499.98/300,873.28
  6. Step 6: Final answer
    x = 240,770.80

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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.