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Finding the Fourth Proportional to 304,191.21, 458,340.34 and 252,043.56

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Solution

The fourth proportional to 304,191.21, 458,340.34 and 252,043.56 is: 379,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,191.21 : 458,340.34 = 252,043.56 : x
  2. Step 2: Convert to fraction form
    304,191.21/458,340.34 = 252,043.56/x
  3. Step 3: Cross multiply
    304,191.21x = 458,340.34 × 252,043.56
  4. Step 4: Simplify right side
    304,191.21x = 115,521,733,334.10
  5. Step 5: Solve for x
    x = 115,521,733,334.10/304,191.21
  6. Step 6: Final answer
    x = 379,766.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.