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Finding the Fourth Proportional to 635,212.92, 876,616.38 and 348,754.80

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Solution

The fourth proportional to 635,212.92, 876,616.38 and 348,754.80 is: 481,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,212.92 : 876,616.38 = 348,754.80 : x
  2. Step 2: Convert to fraction form
    635,212.92/876,616.38 = 348,754.80/x
  3. Step 3: Cross multiply
    635,212.92x = 876,616.38 × 348,754.80
  4. Step 4: Simplify right side
    635,212.92x = 305,724,170,283.62
  5. Step 5: Solve for x
    x = 305,724,170,283.62/635,212.92
  6. Step 6: Final answer
    x = 481,294.00

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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.