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Finding the Fourth Proportional to 356,293.56, 534,053.97 and 178,371.48

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Solution

The fourth proportional to 356,293.56, 534,053.97 and 178,371.48 is: 267,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,293.56 : 534,053.97 = 178,371.48 : x
  2. Step 2: Convert to fraction form
    356,293.56/534,053.97 = 178,371.48/x
  3. Step 3: Cross multiply
    356,293.56x = 534,053.97 × 178,371.48
  4. Step 4: Simplify right side
    356,293.56x = 95,259,997,028.78
  5. Step 5: Solve for x
    x = 95,259,997,028.78/356,293.56
  6. Step 6: Final answer
    x = 267,363.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.