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Finding the Fourth Proportional to 361,028.52, 498,274.56 and 225,084.60

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Solution

The fourth proportional to 361,028.52, 498,274.56 and 225,084.60 is: 310,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,028.52 : 498,274.56 = 225,084.60 : x
  2. Step 2: Convert to fraction form
    361,028.52/498,274.56 = 225,084.60/x
  3. Step 3: Cross multiply
    361,028.52x = 498,274.56 × 225,084.60
  4. Step 4: Simplify right side
    361,028.52x = 112,153,930,027.78
  5. Step 5: Solve for x
    x = 112,153,930,027.78/361,028.52
  6. Step 6: Final answer
    x = 310,651.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.