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Finding the Fourth Proportional to 635,206.43, 876,586.37 and 348,744.96

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Solution

The fourth proportional to 635,206.43, 876,586.37 and 348,744.96 is: 481,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,206.43 : 876,586.37 = 348,744.96 : x
  2. Step 2: Convert to fraction form
    635,206.43/876,586.37 = 348,744.96/x
  3. Step 3: Cross multiply
    635,206.43x = 876,586.37 × 348,744.96
  4. Step 4: Simplify right side
    635,206.43x = 305,705,076,798.47
  5. Step 5: Solve for x
    x = 305,705,076,798.47/635,206.43
  6. Step 6: Final answer
    x = 481,268.86

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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.