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Finding the Fourth Proportional to 635,375.65, 876,761.26 and 348,889.45

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Solution

The fourth proportional to 635,375.65, 876,761.26 and 348,889.45 is: 481,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,375.65 : 876,761.26 = 348,889.45 : x
  2. Step 2: Convert to fraction form
    635,375.65/876,761.26 = 348,889.45/x
  3. Step 3: Cross multiply
    635,375.65x = 876,761.26 × 348,889.45
  4. Step 4: Simplify right side
    635,375.65x = 305,892,753,782.71
  5. Step 5: Solve for x
    x = 305,892,753,782.71/635,375.65
  6. Step 6: Final answer
    x = 481,436.07

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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.