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Finding the Fourth Proportional to 635,022.10, 876,327.42 and 348,546.97

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Solution

The fourth proportional to 635,022.10, 876,327.42 and 348,546.97 is: 480,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,022.10 : 876,327.42 = 348,546.97 : x
  2. Step 2: Convert to fraction form
    635,022.10/876,327.42 = 348,546.97/x
  3. Step 3: Cross multiply
    635,022.10x = 876,327.42 × 348,546.97
  4. Step 4: Simplify right side
    635,022.10x = 305,441,266,968.92
  5. Step 5: Solve for x
    x = 305,441,266,968.92/635,022.10
  6. Step 6: Final answer
    x = 480,993.13

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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.