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Finding the Fourth Proportional to 440,906.60, 661,619.10 and 160,452.20

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Solution

The fourth proportional to 440,906.60, 661,619.10 and 160,452.20 is: 240,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,906.60 : 661,619.10 = 160,452.20 : x
  2. Step 2: Convert to fraction form
    440,906.60/661,619.10 = 160,452.20/x
  3. Step 3: Cross multiply
    440,906.60x = 661,619.10 × 160,452.20
  4. Step 4: Simplify right side
    440,906.60x = 106,158,240,157.02
  5. Step 5: Solve for x
    x = 106,158,240,157.02/440,906.60
  6. Step 6: Final answer
    x = 240,772.63

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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.