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Finding the Fourth Proportional to 417,694.96, 626,613.90 and 164,843.56

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Solution

The fourth proportional to 417,694.96, 626,613.90 and 164,843.56 is: 247,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,694.96 : 626,613.90 = 164,843.56 : x
  2. Step 2: Convert to fraction form
    417,694.96/626,613.90 = 164,843.56/x
  3. Step 3: Cross multiply
    417,694.96x = 626,613.90 × 164,843.56
  4. Step 4: Simplify right side
    417,694.96x = 103,293,266,021.48
  5. Step 5: Solve for x
    x = 103,293,266,021.48/417,694.96
  6. Step 6: Final answer
    x = 247,293.54

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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.