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Finding the Fourth Proportional to 496,280.20, 744,420.30 and 446,513.80

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Solution

The fourth proportional to 496,280.20, 744,420.30 and 446,513.80 is: 669,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,280.20 : 744,420.30 = 446,513.80 : x
  2. Step 2: Convert to fraction form
    496,280.20/744,420.30 = 446,513.80/x
  3. Step 3: Cross multiply
    496,280.20x = 744,420.30 × 446,513.80
  4. Step 4: Simplify right side
    496,280.20x = 332,393,936,950.14
  5. Step 5: Solve for x
    x = 332,393,936,950.14/496,280.20
  6. Step 6: Final answer
    x = 669,770.70

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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.