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Finding the Fourth Proportional to 304,382.31, 456,593.50 and 79,748.25

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Solution

The fourth proportional to 304,382.31, 456,593.50 and 79,748.25 is: 119,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,382.31 : 456,593.50 = 79,748.25 : x
  2. Step 2: Convert to fraction form
    304,382.31/456,593.50 = 79,748.25/x
  3. Step 3: Cross multiply
    304,382.31x = 456,593.50 × 79,748.25
  4. Step 4: Simplify right side
    304,382.31x = 36,412,532,586.38
  5. Step 5: Solve for x
    x = 36,412,532,586.38/304,382.31
  6. Step 6: Final answer
    x = 119,627.62

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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.