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Finding the Fourth Proportional to 635,330.33, 876,755.87 and 348,850.42

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Solution

The fourth proportional to 635,330.33, 876,755.87 and 348,850.42 is: 481,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,330.33 : 876,755.87 = 348,850.42 : x
  2. Step 2: Convert to fraction form
    635,330.33/876,755.87 = 348,850.42/x
  3. Step 3: Cross multiply
    635,330.33x = 876,755.87 × 348,850.42
  4. Step 4: Simplify right side
    635,330.33x = 305,856,653,492.75
  5. Step 5: Solve for x
    x = 305,856,653,492.75/635,330.33
  6. Step 6: Final answer
    x = 481,413.58

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1.5x scale

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.