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Finding the Fourth Proportional to 441,613.35, 662,517.77 and 161,129.79

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Solution

The fourth proportional to 441,613.35, 662,517.77 and 161,129.79 is: 241,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,613.35 : 662,517.77 = 161,129.79 : x
  2. Step 2: Convert to fraction form
    441,613.35/662,517.77 = 161,129.79/x
  3. Step 3: Cross multiply
    441,613.35x = 662,517.77 × 161,129.79
  4. Step 4: Simplify right side
    441,613.35x = 106,751,348,345.72
  5. Step 5: Solve for x
    x = 106,751,348,345.72/441,613.35
  6. Step 6: Final answer
    x = 241,730.35

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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.