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Finding the Fourth Proportional to 635,048.40, 876,375.88 and 348,563.28

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Solution

The fourth proportional to 635,048.40, 876,375.88 and 348,563.28 is: 481,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,048.40 : 876,375.88 = 348,563.28 : x
  2. Step 2: Convert to fraction form
    635,048.40/876,375.88 = 348,563.28/x
  3. Step 3: Cross multiply
    635,048.40x = 876,375.88 × 348,563.28
  4. Step 4: Simplify right side
    635,048.40x = 305,472,451,245.69
  5. Step 5: Solve for x
    x = 305,472,451,245.69/635,048.40
  6. Step 6: Final answer
    x = 481,022.31

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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.