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Finding the Fourth Proportional to 635,255.69, 876,654.57 and 348,794.33

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Solution

The fourth proportional to 635,255.69, 876,654.57 and 348,794.33 is: 481,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,255.69 : 876,654.57 = 348,794.33 : x
  2. Step 2: Convert to fraction form
    635,255.69/876,654.57 = 348,794.33/x
  3. Step 3: Cross multiply
    635,255.69x = 876,654.57 × 348,794.33
  4. Step 4: Simplify right side
    635,255.69x = 305,772,139,001.32
  5. Step 5: Solve for x
    x = 305,772,139,001.32/635,255.69
  6. Step 6: Final answer
    x = 481,337.12

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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.