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Finding the Fourth Proportional to 362,146.70, 543,414.45 and 151,805.90

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Solution

The fourth proportional to 362,146.70, 543,414.45 and 151,805.90 is: 227,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,146.70 : 543,414.45 = 151,805.90 : x
  2. Step 2: Convert to fraction form
    362,146.70/543,414.45 = 151,805.90/x
  3. Step 3: Cross multiply
    362,146.70x = 543,414.45 × 151,805.90
  4. Step 4: Simplify right side
    362,146.70x = 82,493,519,655.26
  5. Step 5: Solve for x
    x = 82,493,519,655.26/362,146.70
  6. Step 6: Final answer
    x = 227,790.34

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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.