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Finding the Fourth Proportional to 351,438.82, 527,453.48 and 151,911.52

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Solution

The fourth proportional to 351,438.82, 527,453.48 and 151,911.52 is: 227,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,438.82 : 527,453.48 = 151,911.52 : x
  2. Step 2: Convert to fraction form
    351,438.82/527,453.48 = 151,911.52/x
  3. Step 3: Cross multiply
    351,438.82x = 527,453.48 × 151,911.52
  4. Step 4: Simplify right side
    351,438.82x = 80,126,259,876.09
  5. Step 5: Solve for x
    x = 80,126,259,876.09/351,438.82
  6. Step 6: Final answer
    x = 227,994.90

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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.