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Finding the Fourth Proportional to 496,880.20, 744,664.20 and 440,455.60

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Solution

The fourth proportional to 496,880.20, 744,664.20 and 440,455.60 is: 660,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,880.20 : 744,664.20 = 440,455.60 : x
  2. Step 2: Convert to fraction form
    496,880.20/744,664.20 = 440,455.60/x
  3. Step 3: Cross multiply
    496,880.20x = 744,664.20 × 440,455.60
  4. Step 4: Simplify right side
    496,880.20x = 327,991,517,009.52
  5. Step 5: Solve for x
    x = 327,991,517,009.52/496,880.20
  6. Step 6: Final answer
    x = 660,101.81

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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.