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Finding the Fourth Proportional to 361,158.48, 498,645 and 225,245.52

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Solution

The fourth proportional to 361,158.48, 498,645 and 225,245.52 is: 310,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,158.48 : 498,645 = 225,245.52 : x
  2. Step 2: Convert to fraction form
    361,158.48/498,645 = 225,245.52/x
  3. Step 3: Cross multiply
    361,158.48x = 498,645 × 225,245.52
  4. Step 4: Simplify right side
    361,158.48x = 112,317,552,320.40
  5. Step 5: Solve for x
    x = 112,317,552,320.40/361,158.48
  6. Step 6: Final answer
    x = 310,992.43

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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.