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Finding the Fourth Proportional to 446,594.20, 669,891.30 and 404,603.80

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Solution

The fourth proportional to 446,594.20, 669,891.30 and 404,603.80 is: 606,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,594.20 : 669,891.30 = 404,603.80 : x
  2. Step 2: Convert to fraction form
    446,594.20/669,891.30 = 404,603.80/x
  3. Step 3: Cross multiply
    446,594.20x = 669,891.30 × 404,603.80
  4. Step 4: Simplify right side
    446,594.20x = 271,040,565,566.94
  5. Step 5: Solve for x
    x = 271,040,565,566.94/446,594.20
  6. Step 6: Final answer
    x = 606,905.70

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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.