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Finding the Fourth Proportional to 295,629.60, 443,444.40 and 127,230.60

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Solution

The fourth proportional to 295,629.60, 443,444.40 and 127,230.60 is: 190,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,629.60 : 443,444.40 = 127,230.60 : x
  2. Step 2: Convert to fraction form
    295,629.60/443,444.40 = 127,230.60/x
  3. Step 3: Cross multiply
    295,629.60x = 443,444.40 × 127,230.60
  4. Step 4: Simplify right side
    295,629.60x = 56,419,697,078.64
  5. Step 5: Solve for x
    x = 56,419,697,078.64/295,629.60
  6. Step 6: Final answer
    x = 190,845.90

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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.