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Finding the Fourth Proportional to 576,169.41, 795,166.56 and 318,092.61

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Solution

The fourth proportional to 576,169.41, 795,166.56 and 318,092.61 is: 438,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,169.41 : 795,166.56 = 318,092.61 : x
  2. Step 2: Convert to fraction form
    576,169.41/795,166.56 = 318,092.61/x
  3. Step 3: Cross multiply
    576,169.41x = 795,166.56 × 318,092.61
  4. Step 4: Simplify right side
    576,169.41x = 252,936,606,455.12
  5. Step 5: Solve for x
    x = 252,936,606,455.12/576,169.41
  6. Step 6: Final answer
    x = 438,996.94

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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.