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Finding the Fourth Proportional to 246,472.56, 340,137 and 144,576

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Solution

The fourth proportional to 246,472.56, 340,137 and 144,576 is: 199,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,472.56 : 340,137 = 144,576 : x
  2. Step 2: Convert to fraction form
    246,472.56/340,137 = 144,576/x
  3. Step 3: Cross multiply
    246,472.56x = 340,137 × 144,576
  4. Step 4: Simplify right side
    246,472.56x = 49,175,646,912
  5. Step 5: Solve for x
    x = 49,175,646,912/246,472.56
  6. Step 6: Final answer
    x = 199,517.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.