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Finding the Fourth Proportional to 441,206.52, 660,743.64 and 251,090.88

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Solution

The fourth proportional to 441,206.52, 660,743.64 and 251,090.88 is: 376,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,206.52 : 660,743.64 = 251,090.88 : x
  2. Step 2: Convert to fraction form
    441,206.52/660,743.64 = 251,090.88/x
  3. Step 3: Cross multiply
    441,206.52x = 660,743.64 × 251,090.88
  4. Step 4: Simplify right side
    441,206.52x = 165,906,702,022.00
  5. Step 5: Solve for x
    x = 165,906,702,022.00/441,206.52
  6. Step 6: Final answer
    x = 376,029.58

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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.