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Finding the Fourth Proportional to 496,902.20, 744,697.20 and 440,477.60

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Solution

The fourth proportional to 496,902.20, 744,697.20 and 440,477.60 is: 660,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,902.20 : 744,697.20 = 440,477.60 : x
  2. Step 2: Convert to fraction form
    496,902.20/744,697.20 = 440,477.60/x
  3. Step 3: Cross multiply
    496,902.20x = 744,697.20 × 440,477.60
  4. Step 4: Simplify right side
    496,902.20x = 328,022,435,382.72
  5. Step 5: Solve for x
    x = 328,022,435,382.72/496,902.20
  6. Step 6: Final answer
    x = 660,134.80

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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.