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Finding the Fourth Proportional to 375,235.37, 517,825.14 and 203,153.43

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Solution

The fourth proportional to 375,235.37, 517,825.14 and 203,153.43 is: 280,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,235.37 : 517,825.14 = 203,153.43 : x
  2. Step 2: Convert to fraction form
    375,235.37/517,825.14 = 203,153.43/x
  3. Step 3: Cross multiply
    375,235.37x = 517,825.14 × 203,153.43
  4. Step 4: Simplify right side
    375,235.37x = 105,197,954,511.25
  5. Step 5: Solve for x
    x = 105,197,954,511.25/375,235.37
  6. Step 6: Final answer
    x = 280,351.92

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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.