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Finding the Fourth Proportional to 304,234.84, 458,406.09 and 252,087.31

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Solution

The fourth proportional to 304,234.84, 458,406.09 and 252,087.31 is: 379,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,234.84 : 458,406.09 = 252,087.31 : x
  2. Step 2: Convert to fraction form
    304,234.84/458,406.09 = 252,087.31/x
  3. Step 3: Cross multiply
    304,234.84x = 458,406.09 × 252,087.31
  4. Step 4: Simplify right side
    304,234.84x = 115,558,358,115.72
  5. Step 5: Solve for x
    x = 115,558,358,115.72/304,234.84
  6. Step 6: Final answer
    x = 379,832.76

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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.