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Finding the Fourth Proportional to 375,537.38, 518,241.58 and 224,634.38

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Solution

The fourth proportional to 375,537.38, 518,241.58 and 224,634.38 is: 309,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,537.38 : 518,241.58 = 224,634.38 : x
  2. Step 2: Convert to fraction form
    375,537.38/518,241.58 = 224,634.38/x
  3. Step 3: Cross multiply
    375,537.38x = 518,241.58 × 224,634.38
  4. Step 4: Simplify right side
    375,537.38x = 116,414,872,860.73
  5. Step 5: Solve for x
    x = 116,414,872,860.73/375,537.38
  6. Step 6: Final answer
    x = 309,995.44

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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.