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Finding the Fourth Proportional to 375,213.89, 562,677.26 and 185,609.09

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Solution

The fourth proportional to 375,213.89, 562,677.26 and 185,609.09 is: 278,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,213.89 : 562,677.26 = 185,609.09 : x
  2. Step 2: Convert to fraction form
    375,213.89/562,677.26 = 185,609.09/x
  3. Step 3: Cross multiply
    375,213.89x = 562,677.26 × 185,609.09
  4. Step 4: Simplify right side
    375,213.89x = 104,438,010,450.86
  5. Step 5: Solve for x
    x = 104,438,010,450.86/375,213.89
  6. Step 6: Final answer
    x = 278,342.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.