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Finding the Fourth Proportional to 482,344.64, 665,637.40 and 267,504.56

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Solution

The fourth proportional to 482,344.64, 665,637.40 and 267,504.56 is: 369,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,344.64 : 665,637.40 = 267,504.56 : x
  2. Step 2: Convert to fraction form
    482,344.64/665,637.40 = 267,504.56/x
  3. Step 3: Cross multiply
    482,344.64x = 665,637.40 × 267,504.56
  4. Step 4: Simplify right side
    482,344.64x = 178,061,039,806.54
  5. Step 5: Solve for x
    x = 178,061,039,806.54/482,344.64
  6. Step 6: Final answer
    x = 369,157.29

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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.