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Finding the Fourth Proportional to 482,736.69, 666,207.90 and 267,877.26

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Solution

The fourth proportional to 482,736.69, 666,207.90 and 267,877.26 is: 369,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,736.69 : 666,207.90 = 267,877.26 : x
  2. Step 2: Convert to fraction form
    482,736.69/666,207.90 = 267,877.26/x
  3. Step 3: Cross multiply
    482,736.69x = 666,207.90 × 267,877.26
  4. Step 4: Simplify right side
    482,736.69x = 178,461,946,842.35
  5. Step 5: Solve for x
    x = 178,461,946,842.35/482,736.69
  6. Step 6: Final answer
    x = 369,687.97

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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.