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Finding the Fourth Proportional to 375,371.44, 517,965.24 and 299,083.84

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Solution

The fourth proportional to 375,371.44, 517,965.24 and 299,083.84 is: 412,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,371.44 : 517,965.24 = 299,083.84 : x
  2. Step 2: Convert to fraction form
    375,371.44/517,965.24 = 299,083.84/x
  3. Step 3: Cross multiply
    375,371.44x = 517,965.24 × 299,083.84
  4. Step 4: Simplify right side
    375,371.44x = 154,915,032,965.72
  5. Step 5: Solve for x
    x = 154,915,032,965.72/375,371.44
  6. Step 6: Final answer
    x = 412,697.97

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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.