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Finding the Fourth Proportional to 482,694.64, 666,118.60 and 267,869.28

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Solution

The fourth proportional to 482,694.64, 666,118.60 and 267,869.28 is: 369,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,694.64 : 666,118.60 = 267,869.28 : x
  2. Step 2: Convert to fraction form
    482,694.64/666,118.60 = 267,869.28/x
  3. Step 3: Cross multiply
    482,694.64x = 666,118.60 × 267,869.28
  4. Step 4: Simplify right side
    482,694.64x = 178,432,709,776.61
  5. Step 5: Solve for x
    x = 178,432,709,776.61/482,694.64
  6. Step 6: Final answer
    x = 369,659.60

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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.