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Finding the Fourth Proportional to 635,230.31, 876,606.90 and 348,748.37

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Solution

The fourth proportional to 635,230.31, 876,606.90 and 348,748.37 is: 481,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,230.31 : 876,606.90 = 348,748.37 : x
  2. Step 2: Convert to fraction form
    635,230.31/876,606.90 = 348,748.37/x
  3. Step 3: Cross multiply
    635,230.31x = 876,606.90 × 348,748.37
  4. Step 4: Simplify right side
    635,230.31x = 305,715,223,122.72
  5. Step 5: Solve for x
    x = 305,715,223,122.72/635,230.31
  6. Step 6: Final answer
    x = 481,266.74

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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.