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Finding the Fourth Proportional to 448,958.80, 619,576.24 and 245,022.88

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Solution

The fourth proportional to 448,958.80, 619,576.24 and 245,022.88 is: 338,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,958.80 : 619,576.24 = 245,022.88 : x
  2. Step 2: Convert to fraction form
    448,958.80/619,576.24 = 245,022.88/x
  3. Step 3: Cross multiply
    448,958.80x = 619,576.24 × 245,022.88
  4. Step 4: Simplify right side
    448,958.80x = 151,810,354,704.37
  5. Step 5: Solve for x
    x = 151,810,354,704.37/448,958.80
  6. Step 6: Final answer
    x = 338,138.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.