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Finding the Fourth Proportional to 482,481.91, 665,828.27 and 267,625.63

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Solution

The fourth proportional to 482,481.91, 665,828.27 and 267,625.63 is: 369,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,481.91 : 665,828.27 = 267,625.63 : x
  2. Step 2: Convert to fraction form
    482,481.91/665,828.27 = 267,625.63/x
  3. Step 3: Cross multiply
    482,481.91x = 665,828.27 × 267,625.63
  4. Step 4: Simplify right side
    482,481.91x = 178,192,710,230.56
  5. Step 5: Solve for x
    x = 178,192,710,230.56/482,481.91
  6. Step 6: Final answer
    x = 369,325.16

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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.