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Finding the Fourth Proportional to 246,628.80, 369,943.20 and 171,979.20

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Solution

The fourth proportional to 246,628.80, 369,943.20 and 171,979.20 is: 257,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,628.80 : 369,943.20 = 171,979.20 : x
  2. Step 2: Convert to fraction form
    246,628.80/369,943.20 = 171,979.20/x
  3. Step 3: Cross multiply
    246,628.80x = 369,943.20 × 171,979.20
  4. Step 4: Simplify right side
    246,628.80x = 63,622,535,581.44
  5. Step 5: Solve for x
    x = 63,622,535,581.44/246,628.80
  6. Step 6: Final answer
    x = 257,968.80

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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.