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Finding the Fourth Proportional to 482,640.84, 666,044.43 and 267,780.39

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Solution

The fourth proportional to 482,640.84, 666,044.43 and 267,780.39 is: 369,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,640.84 : 666,044.43 = 267,780.39 : x
  2. Step 2: Convert to fraction form
    482,640.84/666,044.43 = 267,780.39/x
  3. Step 3: Cross multiply
    482,640.84x = 666,044.43 × 267,780.39
  4. Step 4: Simplify right side
    482,640.84x = 178,353,637,222.73
  5. Step 5: Solve for x
    x = 178,353,637,222.73/482,640.84
  6. Step 6: Final answer
    x = 369,536.98

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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.