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Finding the Fourth Proportional to 293,644.89, 440,499.56 and 93,918.33

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Solution

The fourth proportional to 293,644.89, 440,499.56 and 93,918.33 is: 140,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,644.89 : 440,499.56 = 93,918.33 : x
  2. Step 2: Convert to fraction form
    293,644.89/440,499.56 = 93,918.33/x
  3. Step 3: Cross multiply
    293,644.89x = 440,499.56 × 93,918.33
  4. Step 4: Simplify right side
    293,644.89x = 41,370,982,571.34
  5. Step 5: Solve for x
    x = 41,370,982,571.34/293,644.89
  6. Step 6: Final answer
    x = 140,887.80

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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.