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Finding the Fourth Proportional to 501,517.98, 751,808.97 and 197,914.65

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Solution

The fourth proportional to 501,517.98, 751,808.97 and 197,914.65 is: 296,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,517.98 : 751,808.97 = 197,914.65 : x
  2. Step 2: Convert to fraction form
    501,517.98/751,808.97 = 197,914.65/x
  3. Step 3: Cross multiply
    501,517.98x = 751,808.97 × 197,914.65
  4. Step 4: Simplify right side
    501,517.98x = 148,794,009,164.41
  5. Step 5: Solve for x
    x = 148,794,009,164.41/501,517.98
  6. Step 6: Final answer
    x = 296,687.29

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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.