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Finding the Fourth Proportional to 339,039.56, 468,360.60 and 270,967.16

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Solution

The fourth proportional to 339,039.56, 468,360.60 and 270,967.16 is: 374,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,039.56 : 468,360.60 = 270,967.16 : x
  2. Step 2: Convert to fraction form
    339,039.56/468,360.60 = 270,967.16/x
  3. Step 3: Cross multiply
    339,039.56x = 468,360.60 × 270,967.16
  4. Step 4: Simplify right side
    339,039.56x = 126,910,341,637.90
  5. Step 5: Solve for x
    x = 126,910,341,637.90/339,039.56
  6. Step 6: Final answer
    x = 374,323.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.