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Finding the Fourth Proportional to 635,207.43, 876,587.75 and 348,745.96

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Solution

The fourth proportional to 635,207.43, 876,587.75 and 348,745.96 is: 481,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,207.43 : 876,587.75 = 348,745.96 : x
  2. Step 2: Convert to fraction form
    635,207.43/876,587.75 = 348,745.96/x
  3. Step 3: Cross multiply
    635,207.43x = 876,587.75 × 348,745.96
  4. Step 4: Simplify right side
    635,207.43x = 305,706,436,397.99
  5. Step 5: Solve for x
    x = 305,706,436,397.99/635,207.43
  6. Step 6: Final answer
    x = 481,270.25

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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.