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Finding the Fourth Proportional to 361,404.88, 498,821.96 and 240,550.96

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Solution

The fourth proportional to 361,404.88, 498,821.96 and 240,550.96 is: 332,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,404.88 : 498,821.96 = 240,550.96 : x
  2. Step 2: Convert to fraction form
    361,404.88/498,821.96 = 240,550.96/x
  3. Step 3: Cross multiply
    361,404.88x = 498,821.96 × 240,550.96
  4. Step 4: Simplify right side
    361,404.88x = 119,992,101,347.08
  5. Step 5: Solve for x
    x = 119,992,101,347.08/361,404.88
  6. Step 6: Final answer
    x = 332,015.72

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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.