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Finding the Fourth Proportional to 375,110.54, 517,652.51 and 203,028.48

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Solution

The fourth proportional to 375,110.54, 517,652.51 and 203,028.48 is: 280,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,110.54 : 517,652.51 = 203,028.48 : x
  2. Step 2: Convert to fraction form
    375,110.54/517,652.51 = 203,028.48/x
  3. Step 3: Cross multiply
    375,110.54x = 517,652.51 × 203,028.48
  4. Step 4: Simplify right side
    375,110.54x = 105,098,202,781.06
  5. Step 5: Solve for x
    x = 105,098,202,781.06/375,110.54
  6. Step 6: Final answer
    x = 280,179.28

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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.