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Finding the Fourth Proportional to 606,999.70, 910,608.90 and 252,049.60

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Solution

The fourth proportional to 606,999.70, 910,608.90 and 252,049.60 is: 378,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,999.70 : 910,608.90 = 252,049.60 : x
  2. Step 2: Convert to fraction form
    606,999.70/910,608.90 = 252,049.60/x
  3. Step 3: Cross multiply
    606,999.70x = 910,608.90 × 252,049.60
  4. Step 4: Simplify right side
    606,999.70x = 229,518,609,001.44
  5. Step 5: Solve for x
    x = 229,518,609,001.44/606,999.70
  6. Step 6: Final answer
    x = 378,119.81

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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.