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Finding the Fourth Proportional to 482,387.18, 665,735.19 and 267,596.44

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Solution

The fourth proportional to 482,387.18, 665,735.19 and 267,596.44 is: 369,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,387.18 : 665,735.19 = 267,596.44 : x
  2. Step 2: Convert to fraction form
    482,387.18/665,735.19 = 267,596.44/x
  3. Step 3: Cross multiply
    482,387.18x = 665,735.19 × 267,596.44
  4. Step 4: Simplify right side
    482,387.18x = 178,148,364,158.90
  5. Step 5: Solve for x
    x = 178,148,364,158.90/482,387.18
  6. Step 6: Final answer
    x = 369,305.76

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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.