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Finding the Fourth Proportional to 635,039.10, 876,350.88 and 348,564.06

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Solution

The fourth proportional to 635,039.10, 876,350.88 and 348,564.06 is: 481,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,039.10 : 876,350.88 = 348,564.06 : x
  2. Step 2: Convert to fraction form
    635,039.10/876,350.88 = 348,564.06/x
  3. Step 3: Cross multiply
    635,039.10x = 876,350.88 × 348,564.06
  4. Step 4: Simplify right side
    635,039.10x = 305,464,420,717.37
  5. Step 5: Solve for x
    x = 305,464,420,717.37/635,039.10
  6. Step 6: Final answer
    x = 481,016.71

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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.