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Finding the Fourth Proportional to 635,546.28, 877,018.86 and 349,020.12

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Solution

The fourth proportional to 635,546.28, 877,018.86 and 349,020.12 is: 481,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,546.28 : 877,018.86 = 349,020.12 : x
  2. Step 2: Convert to fraction form
    635,546.28/877,018.86 = 349,020.12/x
  3. Step 3: Cross multiply
    635,546.28x = 877,018.86 × 349,020.12
  4. Step 4: Simplify right side
    635,546.28x = 306,097,227,759.46
  5. Step 5: Solve for x
    x = 306,097,227,759.46/635,546.28
  6. Step 6: Final answer
    x = 481,628.54

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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.