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Finding the Fourth Proportional to 339,991.36, 469,185.48 and 187,026.26

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Solution

The fourth proportional to 339,991.36, 469,185.48 and 187,026.26 is: 258,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,991.36 : 469,185.48 = 187,026.26 : x
  2. Step 2: Convert to fraction form
    339,991.36/469,185.48 = 187,026.26/x
  3. Step 3: Cross multiply
    339,991.36x = 469,185.48 × 187,026.26
  4. Step 4: Simplify right side
    339,991.36x = 87,750,003,224.78
  5. Step 5: Solve for x
    x = 87,750,003,224.78/339,991.36
  6. Step 6: Final answer
    x = 258,094.81

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1.5x scale

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.