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Finding the Fourth Proportional to 331,010.96, 456,846.08 and 187,740.59

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Solution

The fourth proportional to 331,010.96, 456,846.08 and 187,740.59 is: 259,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,010.96 : 456,846.08 = 187,740.59 : x
  2. Step 2: Convert to fraction form
    331,010.96/456,846.08 = 187,740.59/x
  3. Step 3: Cross multiply
    331,010.96x = 456,846.08 × 187,740.59
  4. Step 4: Simplify right side
    331,010.96x = 85,768,549,375.45
  5. Step 5: Solve for x
    x = 85,768,549,375.45/331,010.96
  6. Step 6: Final answer
    x = 259,110.91

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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.