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Finding the Fourth Proportional to 635,227.57, 876,603.11 and 348,745.60

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Solution

The fourth proportional to 635,227.57, 876,603.11 and 348,745.60 is: 481,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,227.57 : 876,603.11 = 348,745.60 : x
  2. Step 2: Convert to fraction form
    635,227.57/876,603.11 = 348,745.60/x
  3. Step 3: Cross multiply
    635,227.57x = 876,603.11 × 348,745.60
  4. Step 4: Simplify right side
    635,227.57x = 305,711,478,872.54
  5. Step 5: Solve for x
    x = 305,711,478,872.54/635,227.57
  6. Step 6: Final answer
    x = 481,262.93

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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.