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Finding the Fourth Proportional to 325,613.48, 488,026.50 and 167,755.80

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Solution

The fourth proportional to 325,613.48, 488,026.50 and 167,755.80 is: 251,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,613.48 : 488,026.50 = 167,755.80 : x
  2. Step 2: Convert to fraction form
    325,613.48/488,026.50 = 167,755.80/x
  3. Step 3: Cross multiply
    325,613.48x = 488,026.50 × 167,755.80
  4. Step 4: Simplify right side
    325,613.48x = 81,869,275,928.70
  5. Step 5: Solve for x
    x = 81,869,275,928.70/325,613.48
  6. Step 6: Final answer
    x = 251,430.86

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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.