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Finding the Fourth Proportional to 295,455.60, 443,183.40 and 127,056.60

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Solution

The fourth proportional to 295,455.60, 443,183.40 and 127,056.60 is: 190,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,455.60 : 443,183.40 = 127,056.60 : x
  2. Step 2: Convert to fraction form
    295,455.60/443,183.40 = 127,056.60/x
  3. Step 3: Cross multiply
    295,455.60x = 443,183.40 × 127,056.60
  4. Step 4: Simplify right side
    295,455.60x = 56,309,375,980.44
  5. Step 5: Solve for x
    x = 56,309,375,980.44/295,455.60
  6. Step 6: Final answer
    x = 190,584.90

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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.