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Finding the Fourth Proportional to 496,288.20, 744,432.30 and 446,521.80

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Solution

The fourth proportional to 496,288.20, 744,432.30 and 446,521.80 is: 669,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,288.20 : 744,432.30 = 446,521.80 : x
  2. Step 2: Convert to fraction form
    496,288.20/744,432.30 = 446,521.80/x
  3. Step 3: Cross multiply
    496,288.20x = 744,432.30 × 446,521.80
  4. Step 4: Simplify right side
    496,288.20x = 332,405,250,574.14
  5. Step 5: Solve for x
    x = 332,405,250,574.14/496,288.20
  6. Step 6: Final answer
    x = 669,782.70

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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.