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Finding the Fourth Proportional to 496,669.20, 745,003.80 and 446,902.80

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Solution

The fourth proportional to 496,669.20, 745,003.80 and 446,902.80 is: 670,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,669.20 : 745,003.80 = 446,902.80 : x
  2. Step 2: Convert to fraction form
    496,669.20/745,003.80 = 446,902.80/x
  3. Step 3: Cross multiply
    496,669.20x = 745,003.80 × 446,902.80
  4. Step 4: Simplify right side
    496,669.20x = 332,944,284,230.64
  5. Step 5: Solve for x
    x = 332,944,284,230.64/496,669.20
  6. Step 6: Final answer
    x = 670,354.20

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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.