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Finding the Fourth Proportional to 618,995.41, 928,575.74 and 244,930.93

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Solution

The fourth proportional to 618,995.41, 928,575.74 and 244,930.93 is: 367,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,995.41 : 928,575.74 = 244,930.93 : x
  2. Step 2: Convert to fraction form
    618,995.41/928,575.74 = 244,930.93/x
  3. Step 3: Cross multiply
    618,995.41x = 928,575.74 × 244,930.93
  4. Step 4: Simplify right side
    618,995.41x = 227,436,919,573.64
  5. Step 5: Solve for x
    x = 227,436,919,573.64/618,995.41
  6. Step 6: Final answer
    x = 367,429.09

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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.