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Finding the Fourth Proportional to 635,076.80, 876,415.92 and 348,623.04

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Solution

The fourth proportional to 635,076.80, 876,415.92 and 348,623.04 is: 481,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,076.80 : 876,415.92 = 348,623.04 : x
  2. Step 2: Convert to fraction form
    635,076.80/876,415.92 = 348,623.04/x
  3. Step 3: Cross multiply
    635,076.80x = 876,415.92 × 348,623.04
  4. Step 4: Simplify right side
    635,076.80x = 305,538,782,334.80
  5. Step 5: Solve for x
    x = 305,538,782,334.80/635,076.80
  6. Step 6: Final answer
    x = 481,105.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.