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Finding the Fourth Proportional to 375,238.88, 517,833.84 and 203,160.59

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Solution

The fourth proportional to 375,238.88, 517,833.84 and 203,160.59 is: 280,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,238.88 : 517,833.84 = 203,160.59 : x
  2. Step 2: Convert to fraction form
    375,238.88/517,833.84 = 203,160.59/x
  3. Step 3: Cross multiply
    375,238.88x = 517,833.84 × 203,160.59
  4. Step 4: Simplify right side
    375,238.88x = 105,203,428,456.37
  5. Step 5: Solve for x
    x = 105,203,428,456.37/375,238.88
  6. Step 6: Final answer
    x = 280,363.88

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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.