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Finding the Fourth Proportional to 441,361.20, 660,729.60 and 441,361.20

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Solution

The fourth proportional to 441,361.20, 660,729.60 and 441,361.20 is: 660,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,361.20 : 660,729.60 = 441,361.20 : x
  2. Step 2: Convert to fraction form
    441,361.20/660,729.60 = 441,361.20/x
  3. Step 3: Cross multiply
    441,361.20x = 660,729.60 × 441,361.20
  4. Step 4: Simplify right side
    441,361.20x = 291,620,409,131.52
  5. Step 5: Solve for x
    x = 291,620,409,131.52/441,361.20
  6. Step 6: Final answer
    x = 660,729.60

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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.