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Finding the Fourth Proportional to 482,137.18, 665,304.37 and 267,258.90

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Solution

The fourth proportional to 482,137.18, 665,304.37 and 267,258.90 is: 368,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,137.18 : 665,304.37 = 267,258.90 : x
  2. Step 2: Convert to fraction form
    482,137.18/665,304.37 = 267,258.90/x
  3. Step 3: Cross multiply
    482,137.18x = 665,304.37 × 267,258.90
  4. Step 4: Simplify right side
    482,137.18x = 177,808,514,091.39
  5. Step 5: Solve for x
    x = 177,808,514,091.39/482,137.18
  6. Step 6: Final answer
    x = 368,792.37

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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.