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Finding the Fourth Proportional to 339,009, 467,832.42 and 188,130.28

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Solution

The fourth proportional to 339,009, 467,832.42 and 188,130.28 is: 259,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,009 : 467,832.42 = 188,130.28 : x
  2. Step 2: Convert to fraction form
    339,009/467,832.42 = 188,130.28/x
  3. Step 3: Cross multiply
    339,009x = 467,832.42 × 188,130.28
  4. Step 4: Simplify right side
    339,009x = 88,013,444,167.68
  5. Step 5: Solve for x
    x = 88,013,444,167.68/339,009
  6. Step 6: Final answer
    x = 259,619.79

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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.