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Finding the Fourth Proportional to 635,996.49, 953,877.12 and 289,698.31

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Solution

The fourth proportional to 635,996.49, 953,877.12 and 289,698.31 is: 434,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,996.49 : 953,877.12 = 289,698.31 : x
  2. Step 2: Convert to fraction form
    635,996.49/953,877.12 = 289,698.31/x
  3. Step 3: Cross multiply
    635,996.49x = 953,877.12 × 289,698.31
  4. Step 4: Simplify right side
    635,996.49x = 276,336,589,611.67
  5. Step 5: Solve for x
    x = 276,336,589,611.67/635,996.49
  6. Step 6: Final answer
    x = 434,493.89

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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.