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Finding the Fourth Proportional to 411,736.67, 567,745.40 and 268,230.59

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Solution

The fourth proportional to 411,736.67, 567,745.40 and 268,230.59 is: 369,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,736.67 : 567,745.40 = 268,230.59 : x
  2. Step 2: Convert to fraction form
    411,736.67/567,745.40 = 268,230.59/x
  3. Step 3: Cross multiply
    411,736.67x = 567,745.40 × 268,230.59
  4. Step 4: Simplify right side
    411,736.67x = 152,286,683,611.79
  5. Step 5: Solve for x
    x = 152,286,683,611.79/411,736.67
  6. Step 6: Final answer
    x = 369,864.27

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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.