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Finding the Fourth Proportional to 496,281.20, 744,421.80 and 446,514.80

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Solution

The fourth proportional to 496,281.20, 744,421.80 and 446,514.80 is: 669,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,281.20 : 744,421.80 = 446,514.80 : x
  2. Step 2: Convert to fraction form
    496,281.20/744,421.80 = 446,514.80/x
  3. Step 3: Cross multiply
    496,281.20x = 744,421.80 × 446,514.80
  4. Step 4: Simplify right side
    496,281.20x = 332,395,351,142.64
  5. Step 5: Solve for x
    x = 332,395,351,142.64/496,281.20
  6. Step 6: Final answer
    x = 669,772.20

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Similar ratio
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1.5x scale

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.