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Finding the Fourth Proportional to 635,476.34, 876,956.26 and 348,996.43

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Solution

The fourth proportional to 635,476.34, 876,956.26 and 348,996.43 is: 481,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,476.34 : 876,956.26 = 348,996.43 : x
  2. Step 2: Convert to fraction form
    635,476.34/876,956.26 = 348,996.43/x
  3. Step 3: Cross multiply
    635,476.34x = 876,956.26 × 348,996.43
  4. Step 4: Simplify right side
    635,476.34x = 306,054,604,006.15
  5. Step 5: Solve for x
    x = 306,054,604,006.15/635,476.34
  6. Step 6: Final answer
    x = 481,614.48

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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.