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Finding the Fourth Proportional to 253,218.91, 379,185.57 and 151,953.29

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Solution

The fourth proportional to 253,218.91, 379,185.57 and 151,953.29 is: 227,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,218.91 : 379,185.57 = 151,953.29 : x
  2. Step 2: Convert to fraction form
    253,218.91/379,185.57 = 151,953.29/x
  3. Step 3: Cross multiply
    253,218.91x = 379,185.57 × 151,953.29
  4. Step 4: Simplify right side
    253,218.91x = 57,618,494,882.03
  5. Step 5: Solve for x
    x = 57,618,494,882.03/253,218.91
  6. Step 6: Final answer
    x = 227,544.20

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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.