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Finding the Fourth Proportional to 394,840.22, 592,255.09 and 95,319.18

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Solution

The fourth proportional to 394,840.22, 592,255.09 and 95,319.18 is: 142,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,840.22 : 592,255.09 = 95,319.18 : x
  2. Step 2: Convert to fraction form
    394,840.22/592,255.09 = 95,319.18/x
  3. Step 3: Cross multiply
    394,840.22x = 592,255.09 × 95,319.18
  4. Step 4: Simplify right side
    394,840.22x = 56,453,269,648.78
  5. Step 5: Solve for x
    x = 56,453,269,648.78/394,840.22
  6. Step 6: Final answer
    x = 142,977.51

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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.