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Finding the Fourth Proportional to 635,637.36, 876,791.09 and 377,339.00

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Solution

The fourth proportional to 635,637.36, 876,791.09 and 377,339.00 is: 520,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,637.36 : 876,791.09 = 377,339.00 : x
  2. Step 2: Convert to fraction form
    635,637.36/876,791.09 = 377,339.00/x
  3. Step 3: Cross multiply
    635,637.36x = 876,791.09 × 377,339.00
  4. Step 4: Simplify right side
    635,637.36x = 330,847,469,668.90
  5. Step 5: Solve for x
    x = 330,847,469,668.90/635,637.36
  6. Step 6: Final answer
    x = 520,497.20

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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.