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Finding the Fourth Proportional to 482,274.46, 665,537.61 and 267,409

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Solution

The fourth proportional to 482,274.46, 665,537.61 and 267,409 is: 369,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,274.46 : 665,537.61 = 267,409 : x
  2. Step 2: Convert to fraction form
    482,274.46/665,537.61 = 267,409/x
  3. Step 3: Cross multiply
    482,274.46x = 665,537.61 × 267,409
  4. Step 4: Simplify right side
    482,274.46x = 177,970,746,752.49
  5. Step 5: Solve for x
    x = 177,970,746,752.49/482,274.46
  6. Step 6: Final answer
    x = 369,023.79

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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.