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Finding the Fourth Proportional to 293,854.54, 440,781.89 and 193,991.37

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Solution

The fourth proportional to 293,854.54, 440,781.89 and 193,991.37 is: 290,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,854.54 : 440,781.89 = 193,991.37 : x
  2. Step 2: Convert to fraction form
    293,854.54/440,781.89 = 193,991.37/x
  3. Step 3: Cross multiply
    293,854.54x = 440,781.89 × 193,991.37
  4. Step 4: Simplify right side
    293,854.54x = 85,507,882,712.29
  5. Step 5: Solve for x
    x = 85,507,882,712.29/293,854.54
  6. Step 6: Final answer
    x = 290,987.11

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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.