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Finding the Fourth Proportional to 411,732.73, 567,739.96 and 268,226.65

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Solution

The fourth proportional to 411,732.73, 567,739.96 and 268,226.65 is: 369,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,732.73 : 567,739.96 = 268,226.65 : x
  2. Step 2: Convert to fraction form
    411,732.73/567,739.96 = 268,226.65/x
  3. Step 3: Cross multiply
    411,732.73x = 567,739.96 × 268,226.65
  4. Step 4: Simplify right side
    411,732.73x = 152,282,987,541.93
  5. Step 5: Solve for x
    x = 152,282,987,541.93/411,732.73
  6. Step 6: Final answer
    x = 369,858.83

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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.