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Finding the Fourth Proportional to 635,254.56, 876,653.01 and 348,793.20

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Solution

The fourth proportional to 635,254.56, 876,653.01 and 348,793.20 is: 481,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,254.56 : 876,653.01 = 348,793.20 : x
  2. Step 2: Convert to fraction form
    635,254.56/876,653.01 = 348,793.20/x
  3. Step 3: Cross multiply
    635,254.56x = 876,653.01 × 348,793.20
  4. Step 4: Simplify right side
    635,254.56x = 305,770,608,647.53
  5. Step 5: Solve for x
    x = 305,770,608,647.53/635,254.56
  6. Step 6: Final answer
    x = 481,335.56

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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.