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Finding the Fourth Proportional to 444,832.40, 667,297.20 and 430,835.60

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Solution

The fourth proportional to 444,832.40, 667,297.20 and 430,835.60 is: 646,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,832.40 : 667,297.20 = 430,835.60 : x
  2. Step 2: Convert to fraction form
    444,832.40/667,297.20 = 430,835.60/x
  3. Step 3: Cross multiply
    444,832.40x = 667,297.20 × 430,835.60
  4. Step 4: Simplify right side
    444,832.40x = 287,495,389,540.32
  5. Step 5: Solve for x
    x = 287,495,389,540.32/444,832.40
  6. Step 6: Final answer
    x = 646,300.47

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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.