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Finding the Fourth Proportional to 635,416.13, 876,874.25 and 348,941

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Solution

The fourth proportional to 635,416.13, 876,874.25 and 348,941 is: 481,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,416.13 : 876,874.25 = 348,941 : x
  2. Step 2: Convert to fraction form
    635,416.13/876,874.25 = 348,941/x
  3. Step 3: Cross multiply
    635,416.13x = 876,874.25 × 348,941
  4. Step 4: Simplify right side
    635,416.13x = 305,977,377,669.25
  5. Step 5: Solve for x
    x = 305,977,377,669.25/635,416.13
  6. Step 6: Final answer
    x = 481,538.57

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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.