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Finding the Fourth Proportional to 441,361.40, 609,060.30 and 250,410.78

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Solution

The fourth proportional to 441,361.40, 609,060.30 and 250,410.78 is: 345,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,361.40 : 609,060.30 = 250,410.78 : x
  2. Step 2: Convert to fraction form
    441,361.40/609,060.30 = 250,410.78/x
  3. Step 3: Cross multiply
    441,361.40x = 609,060.30 × 250,410.78
  4. Step 4: Simplify right side
    441,361.40x = 152,515,264,790.03
  5. Step 5: Solve for x
    x = 152,515,264,790.03/441,361.40
  6. Step 6: Final answer
    x = 345,556.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.