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Finding the Fourth Proportional to 296,930.40, 444,812.40 and 275,935.20

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Solution

The fourth proportional to 296,930.40, 444,812.40 and 275,935.20 is: 413,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,930.40 : 444,812.40 = 275,935.20 : x
  2. Step 2: Convert to fraction form
    296,930.40/444,812.40 = 275,935.20/x
  3. Step 3: Cross multiply
    296,930.40x = 444,812.40 × 275,935.20
  4. Step 4: Simplify right side
    296,930.40x = 122,739,398,556.48
  5. Step 5: Solve for x
    x = 122,739,398,556.48/296,930.40
  6. Step 6: Final answer
    x = 413,360.84

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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.