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Finding the Fourth Proportional to 295,980.60, 444,446.10 and 274,150.20

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Solution

The fourth proportional to 295,980.60, 444,446.10 and 274,150.20 is: 411,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,980.60 : 444,446.10 = 274,150.20 : x
  2. Step 2: Convert to fraction form
    295,980.60/444,446.10 = 274,150.20/x
  3. Step 3: Cross multiply
    295,980.60x = 444,446.10 × 274,150.20
  4. Step 4: Simplify right side
    295,980.60x = 121,844,987,204.22
  5. Step 5: Solve for x
    x = 121,844,987,204.22/295,980.60
  6. Step 6: Final answer
    x = 411,665.45

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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.