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Finding the Fourth Proportional to 375,250.83, 517,839.93 and 203,167.43

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Solution

The fourth proportional to 375,250.83, 517,839.93 and 203,167.43 is: 280,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,250.83 : 517,839.93 = 203,167.43 : x
  2. Step 2: Convert to fraction form
    375,250.83/517,839.93 = 203,167.43/x
  3. Step 3: Cross multiply
    375,250.83x = 517,839.93 × 203,167.43
  4. Step 4: Simplify right side
    375,250.83x = 105,208,205,140.28
  5. Step 5: Solve for x
    x = 105,208,205,140.28/375,250.83
  6. Step 6: Final answer
    x = 280,367.68

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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.