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Finding the Fourth Proportional to 367,287.20, 550,009.20 and 241,949.60

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Solution

The fourth proportional to 367,287.20, 550,009.20 and 241,949.60 is: 362,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,287.20 : 550,009.20 = 241,949.60 : x
  2. Step 2: Convert to fraction form
    367,287.20/550,009.20 = 241,949.60/x
  3. Step 3: Cross multiply
    367,287.20x = 550,009.20 × 241,949.60
  4. Step 4: Simplify right side
    367,287.20x = 133,074,505,936.32
  5. Step 5: Solve for x
    x = 133,074,505,936.32/367,287.20
  6. Step 6: Final answer
    x = 362,317.30

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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.