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Finding the Fourth Proportional to 482,387.36, 665,735.45 and 267,596.63

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Solution

The fourth proportional to 482,387.36, 665,735.45 and 267,596.63 is: 369,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,387.36 : 665,735.45 = 267,596.63 : x
  2. Step 2: Convert to fraction form
    482,387.36/665,735.45 = 267,596.63/x
  3. Step 3: Cross multiply
    482,387.36x = 665,735.45 × 267,596.63
  4. Step 4: Simplify right side
    482,387.36x = 178,148,562,891.53
  5. Step 5: Solve for x
    x = 178,148,562,891.53/482,387.36
  6. Step 6: Final answer
    x = 369,306.03

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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.