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Finding the Fourth Proportional to 572,694.74, 858,662.94 and 273,221.54

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Solution

The fourth proportional to 572,694.74, 858,662.94 and 273,221.54 is: 409,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,694.74 : 858,662.94 = 273,221.54 : x
  2. Step 2: Convert to fraction form
    572,694.74/858,662.94 = 273,221.54/x
  3. Step 3: Cross multiply
    572,694.74x = 858,662.94 × 273,221.54
  4. Step 4: Simplify right side
    572,694.74x = 234,605,210,807.73
  5. Step 5: Solve for x
    x = 234,605,210,807.73/572,694.74
  6. Step 6: Final answer
    x = 409,651.42

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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.