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Finding the Fourth Proportional to 587,739.33, 881,608.32 and 161,279.82

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Solution

The fourth proportional to 587,739.33, 881,608.32 and 161,279.82 is: 241,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,739.33 : 881,608.32 = 161,279.82 : x
  2. Step 2: Convert to fraction form
    587,739.33/881,608.32 = 161,279.82/x
  3. Step 3: Cross multiply
    587,739.33x = 881,608.32 × 161,279.82
  4. Step 4: Simplify right side
    587,739.33x = 142,185,631,160.10
  5. Step 5: Solve for x
    x = 142,185,631,160.10/587,739.33
  6. Step 6: Final answer
    x = 241,919.54

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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.