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Finding the Fourth Proportional to 240,520.80, 360,910.80 and 100,293.60

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Solution

The fourth proportional to 240,520.80, 360,910.80 and 100,293.60 is: 150,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,520.80 : 360,910.80 = 100,293.60 : x
  2. Step 2: Convert to fraction form
    240,520.80/360,910.80 = 100,293.60/x
  3. Step 3: Cross multiply
    240,520.80x = 360,910.80 × 100,293.60
  4. Step 4: Simplify right side
    240,520.80x = 36,197,043,410.88
  5. Step 5: Solve for x
    x = 36,197,043,410.88/240,520.80
  6. Step 6: Final answer
    x = 150,494.44

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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.