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Finding the Fourth Proportional to 260,010.37, 389,349.69 and 179,937.47

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Solution

The fourth proportional to 260,010.37, 389,349.69 and 179,937.47 is: 269,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,010.37 : 389,349.69 = 179,937.47 : x
  2. Step 2: Convert to fraction form
    260,010.37/389,349.69 = 179,937.47/x
  3. Step 3: Cross multiply
    260,010.37x = 389,349.69 × 179,937.47
  4. Step 4: Simplify right side
    260,010.37x = 70,058,597,227.35
  5. Step 5: Solve for x
    x = 70,058,597,227.35/260,010.37
  6. Step 6: Final answer
    x = 269,445.39

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1.5x scale

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.