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Finding the Fourth Proportional to 635,296.23, 876,722.94 and 348,817.46

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Solution

The fourth proportional to 635,296.23, 876,722.94 and 348,817.46 is: 481,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,296.23 : 876,722.94 = 348,817.46 : x
  2. Step 2: Convert to fraction form
    635,296.23/876,722.94 = 348,817.46/x
  3. Step 3: Cross multiply
    635,296.23x = 876,722.94 × 348,817.46
  4. Step 4: Simplify right side
    635,296.23x = 305,816,264,670.92
  5. Step 5: Solve for x
    x = 305,816,264,670.92/635,296.23
  6. Step 6: Final answer
    x = 481,375.85

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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.