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Finding the Fourth Proportional to 304,559.56, 456,932.82 and 136,221.52

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Solution

The fourth proportional to 304,559.56, 456,932.82 and 136,221.52 is: 204,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,559.56 : 456,932.82 = 136,221.52 : x
  2. Step 2: Convert to fraction form
    304,559.56/456,932.82 = 136,221.52/x
  3. Step 3: Cross multiply
    304,559.56x = 456,932.82 × 136,221.52
  4. Step 4: Simplify right side
    304,559.56x = 62,244,083,278.29
  5. Step 5: Solve for x
    x = 62,244,083,278.29/304,559.56
  6. Step 6: Final answer
    x = 204,374.09

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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.