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Finding the Fourth Proportional to 339,587.34, 468,600.09 and 186,623.78

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Solution

The fourth proportional to 339,587.34, 468,600.09 and 186,623.78 is: 257,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,587.34 : 468,600.09 = 186,623.78 : x
  2. Step 2: Convert to fraction form
    339,587.34/468,600.09 = 186,623.78/x
  3. Step 3: Cross multiply
    339,587.34x = 468,600.09 × 186,623.78
  4. Step 4: Simplify right side
    339,587.34x = 87,451,917,761.14
  5. Step 5: Solve for x
    x = 87,451,917,761.14/339,587.34
  6. Step 6: Final answer
    x = 257,524.08

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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.