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Finding the Fourth Proportional to 260,687.44, 359,747.40 and 141,455.44

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Solution

The fourth proportional to 260,687.44, 359,747.40 and 141,455.44 is: 195,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,687.44 : 359,747.40 = 141,455.44 : x
  2. Step 2: Convert to fraction form
    260,687.44/359,747.40 = 141,455.44/x
  3. Step 3: Cross multiply
    260,687.44x = 359,747.40 × 141,455.44
  4. Step 4: Simplify right side
    260,687.44x = 50,888,226,755.86
  5. Step 5: Solve for x
    x = 50,888,226,755.86/260,687.44
  6. Step 6: Final answer
    x = 195,207.82

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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.