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Finding the Fourth Proportional to 635,211.42, 876,614.31 and 348,753.30

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Solution

The fourth proportional to 635,211.42, 876,614.31 and 348,753.30 is: 481,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,211.42 : 876,614.31 = 348,753.30 : x
  2. Step 2: Convert to fraction form
    635,211.42/876,614.31 = 348,753.30/x
  3. Step 3: Cross multiply
    635,211.42x = 876,614.31 × 348,753.30
  4. Step 4: Simplify right side
    635,211.42x = 305,722,133,439.72
  5. Step 5: Solve for x
    x = 305,722,133,439.72/635,211.42
  6. Step 6: Final answer
    x = 481,291.93

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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.