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Finding the Fourth Proportional to 461,616.49, 637,137.04 and 270,691.39

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Solution

The fourth proportional to 461,616.49, 637,137.04 and 270,691.39 is: 373,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,616.49 : 637,137.04 = 270,691.39 : x
  2. Step 2: Convert to fraction form
    461,616.49/637,137.04 = 270,691.39/x
  3. Step 3: Cross multiply
    461,616.49x = 637,137.04 × 270,691.39
  4. Step 4: Simplify right side
    461,616.49x = 172,467,510,061.97
  5. Step 5: Solve for x
    x = 172,467,510,061.97/461,616.49
  6. Step 6: Final answer
    x = 373,616.44

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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.