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Finding the Fourth Proportional to 304,487.08, 456,605.76 and 91,179.84

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Solution

The fourth proportional to 304,487.08, 456,605.76 and 91,179.84 is: 136,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,487.08 : 456,605.76 = 91,179.84 : x
  2. Step 2: Convert to fraction form
    304,487.08/456,605.76 = 91,179.84/x
  3. Step 3: Cross multiply
    304,487.08x = 456,605.76 × 91,179.84
  4. Step 4: Simplify right side
    304,487.08x = 41,633,240,139.88
  5. Step 5: Solve for x
    x = 41,633,240,139.88/304,487.08
  6. Step 6: Final answer
    x = 136,732.37

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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.