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Finding the Fourth Proportional to 260,286.48, 359,192.82 and 145,563.84

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Solution

The fourth proportional to 260,286.48, 359,192.82 and 145,563.84 is: 200,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,286.48 : 359,192.82 = 145,563.84 : x
  2. Step 2: Convert to fraction form
    260,286.48/359,192.82 = 145,563.84/x
  3. Step 3: Cross multiply
    260,286.48x = 359,192.82 × 145,563.84
  4. Step 4: Simplify right side
    260,286.48x = 52,285,486,179.63
  5. Step 5: Solve for x
    x = 52,285,486,179.63/260,286.48
  6. Step 6: Final answer
    x = 200,876.69

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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.