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Finding the Fourth Proportional to 447,166.20, 670,230.90 and 180,751.80

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Solution

The fourth proportional to 447,166.20, 670,230.90 and 180,751.80 is: 270,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,166.20 : 670,230.90 = 180,751.80 : x
  2. Step 2: Convert to fraction form
    447,166.20/670,230.90 = 180,751.80/x
  3. Step 3: Cross multiply
    447,166.20x = 670,230.90 × 180,751.80
  4. Step 4: Simplify right side
    447,166.20x = 121,145,441,590.62
  5. Step 5: Solve for x
    x = 121,145,441,590.62/447,166.20
  6. Step 6: Final answer
    x = 270,918.15

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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.