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Finding the Fourth Proportional to 353,791.44, 488,238.03 and 192,649.64

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Solution

The fourth proportional to 353,791.44, 488,238.03 and 192,649.64 is: 265,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,791.44 : 488,238.03 = 192,649.64 : x
  2. Step 2: Convert to fraction form
    353,791.44/488,238.03 = 192,649.64/x
  3. Step 3: Cross multiply
    353,791.44x = 488,238.03 × 192,649.64
  4. Step 4: Simplify right side
    353,791.44x = 94,058,878,272.62
  5. Step 5: Solve for x
    x = 94,058,878,272.62/353,791.44
  6. Step 6: Final answer
    x = 265,859.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.