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Finding the Fourth Proportional to 275,682.80, 413,524.20 and 98,195.60

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Solution

The fourth proportional to 275,682.80, 413,524.20 and 98,195.60 is: 147,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,682.80 : 413,524.20 = 98,195.60 : x
  2. Step 2: Convert to fraction form
    275,682.80/413,524.20 = 98,195.60/x
  3. Step 3: Cross multiply
    275,682.80x = 413,524.20 × 98,195.60
  4. Step 4: Simplify right side
    275,682.80x = 40,606,256,933.52
  5. Step 5: Solve for x
    x = 40,606,256,933.52/275,682.80
  6. Step 6: Final answer
    x = 147,293.40

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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.