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Finding the Fourth Proportional to 635,796.57, 953,504.63 and 209,253.66

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Solution

The fourth proportional to 635,796.57, 953,504.63 and 209,253.66 is: 313,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,796.57 : 953,504.63 = 209,253.66 : x
  2. Step 2: Convert to fraction form
    635,796.57/953,504.63 = 209,253.66/x
  3. Step 3: Cross multiply
    635,796.57x = 953,504.63 × 209,253.66
  4. Step 4: Simplify right side
    635,796.57x = 199,524,334,177.58
  5. Step 5: Solve for x
    x = 199,524,334,177.58/635,796.57
  6. Step 6: Final answer
    x = 313,817.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.