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Finding the Fourth Proportional to 476,832.26, 658,033 and 261,976.80

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Solution

The fourth proportional to 476,832.26, 658,033 and 261,976.80 is: 361,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,832.26 : 658,033 = 261,976.80 : x
  2. Step 2: Convert to fraction form
    476,832.26/658,033 = 261,976.80/x
  3. Step 3: Cross multiply
    476,832.26x = 658,033 × 261,976.80
  4. Step 4: Simplify right side
    476,832.26x = 172,389,379,634.40
  5. Step 5: Solve for x
    x = 172,389,379,634.40/476,832.26
  6. Step 6: Final answer
    x = 361,530.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.