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Finding the Fourth Proportional to 404,352.20, 606,520 and 179,651.72

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Solution

The fourth proportional to 404,352.20, 606,520 and 179,651.72 is: 269,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352.20 : 606,520 = 179,651.72 : x
  2. Step 2: Convert to fraction form
    404,352.20/606,520 = 179,651.72/x
  3. Step 3: Cross multiply
    404,352.20x = 606,520 × 179,651.72
  4. Step 4: Simplify right side
    404,352.20x = 108,962,361,214.40
  5. Step 5: Solve for x
    x = 108,962,361,214.40/404,352.20
  6. Step 6: Final answer
    x = 269,473.89

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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.