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Finding the Fourth Proportional to 482,517.23, 665,953.63 and 267,726.49

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Solution

The fourth proportional to 482,517.23, 665,953.63 and 267,726.49 is: 369,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,517.23 : 665,953.63 = 267,726.49 : x
  2. Step 2: Convert to fraction form
    482,517.23/665,953.63 = 267,726.49/x
  3. Step 3: Cross multiply
    482,517.23x = 665,953.63 × 267,726.49
  4. Step 4: Simplify right side
    482,517.23x = 178,293,425,528.46
  5. Step 5: Solve for x
    x = 178,293,425,528.46/482,517.23
  6. Step 6: Final answer
    x = 369,506.86

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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.