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Finding the Fourth Proportional to 445,055.60, 667,583.40 and 295,497.20

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Solution

The fourth proportional to 445,055.60, 667,583.40 and 295,497.20 is: 443,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,055.60 : 667,583.40 = 295,497.20 : x
  2. Step 2: Convert to fraction form
    445,055.60/667,583.40 = 295,497.20/x
  3. Step 3: Cross multiply
    445,055.60x = 667,583.40 × 295,497.20
  4. Step 4: Simplify right side
    445,055.60x = 197,269,025,466.48
  5. Step 5: Solve for x
    x = 197,269,025,466.48/445,055.60
  6. Step 6: Final answer
    x = 443,245.80

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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.