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Finding the Fourth Proportional to 482,460.30, 665,874.94 and 267,669.56

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Solution

The fourth proportional to 482,460.30, 665,874.94 and 267,669.56 is: 369,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,460.30 : 665,874.94 = 267,669.56 : x
  2. Step 2: Convert to fraction form
    482,460.30/665,874.94 = 267,669.56/x
  3. Step 3: Cross multiply
    482,460.30x = 665,874.94 × 267,669.56
  4. Step 4: Simplify right side
    482,460.30x = 178,234,452,204.83
  5. Step 5: Solve for x
    x = 178,234,452,204.83/482,460.30
  6. Step 6: Final answer
    x = 369,428.22

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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.