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Finding the Fourth Proportional to 482,520.23, 665,957.78 and 267,729.50

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Solution

The fourth proportional to 482,520.23, 665,957.78 and 267,729.50 is: 369,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,520.23 : 665,957.78 = 267,729.50 : x
  2. Step 2: Convert to fraction form
    482,520.23/665,957.78 = 267,729.50/x
  3. Step 3: Cross multiply
    482,520.23x = 665,957.78 × 267,729.50
  4. Step 4: Simplify right side
    482,520.23x = 178,296,538,792.07
  5. Step 5: Solve for x
    x = 178,296,538,792.07/482,520.23
  6. Step 6: Final answer
    x = 369,511.02

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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.