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Finding the Fourth Proportional to 441,659.20, 661,176.60 and 441,659.20

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Solution

The fourth proportional to 441,659.20, 661,176.60 and 441,659.20 is: 661,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,659.20 : 661,176.60 = 441,659.20 : x
  2. Step 2: Convert to fraction form
    441,659.20/661,176.60 = 441,659.20/x
  3. Step 3: Cross multiply
    441,659.20x = 661,176.60 × 441,659.20
  4. Step 4: Simplify right side
    441,659.20x = 292,014,728,214.72
  5. Step 5: Solve for x
    x = 292,014,728,214.72/441,659.20
  6. Step 6: Final answer
    x = 661,176.60

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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.