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Finding the Fourth Proportional to 339,048, 467,908.16 and 188,145

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Solution

The fourth proportional to 339,048, 467,908.16 and 188,145 is: 259,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,048 : 467,908.16 = 188,145 : x
  2. Step 2: Convert to fraction form
    339,048/467,908.16 = 188,145/x
  3. Step 3: Cross multiply
    339,048x = 467,908.16 × 188,145
  4. Step 4: Simplify right side
    339,048x = 88,034,579,822.48
  5. Step 5: Solve for x
    x = 88,034,579,822.48/339,048
  6. Step 6: Final answer
    x = 259,652.26

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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.