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Finding the Fourth Proportional to 635,404.24, 876,863.92 and 348,930.32

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Solution

The fourth proportional to 635,404.24, 876,863.92 and 348,930.32 is: 481,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,404.24 : 876,863.92 = 348,930.32 : x
  2. Step 2: Convert to fraction form
    635,404.24/876,863.92 = 348,930.32/x
  3. Step 3: Cross multiply
    635,404.24x = 876,863.92 × 348,930.32
  4. Step 4: Simplify right side
    635,404.24x = 305,964,408,202.05
  5. Step 5: Solve for x
    x = 305,964,408,202.05/635,404.24
  6. Step 6: Final answer
    x = 481,527.17

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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.