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Finding the Fourth Proportional to 296,960.40, 444,857.40 and 275,965.20

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Solution

The fourth proportional to 296,960.40, 444,857.40 and 275,965.20 is: 413,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,960.40 : 444,857.40 = 275,965.20 : x
  2. Step 2: Convert to fraction form
    296,960.40/444,857.40 = 275,965.20/x
  3. Step 3: Cross multiply
    296,960.40x = 444,857.40 × 275,965.20
  4. Step 4: Simplify right side
    296,960.40x = 122,765,161,362.48
  5. Step 5: Solve for x
    x = 122,765,161,362.48/296,960.40
  6. Step 6: Final answer
    x = 413,405.83

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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.