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Finding the Fourth Proportional to 482,499.48, 665,871.03 and 267,639.49

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Solution

The fourth proportional to 482,499.48, 665,871.03 and 267,639.49 is: 369,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,499.48 : 665,871.03 = 267,639.49 : x
  2. Step 2: Convert to fraction form
    482,499.48/665,871.03 = 267,639.49/x
  3. Step 3: Cross multiply
    482,499.48x = 665,871.03 × 267,639.49
  4. Step 4: Simplify right side
    482,499.48x = 178,213,383,707.31
  5. Step 5: Solve for x
    x = 178,213,383,707.31/482,499.48
  6. Step 6: Final answer
    x = 369,354.56

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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.