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Finding the Fourth Proportional to 322,361.35, 444,860.80 and 201,573.34

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Solution

The fourth proportional to 322,361.35, 444,860.80 and 201,573.34 is: 278,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,361.35 : 444,860.80 = 201,573.34 : x
  2. Step 2: Convert to fraction form
    322,361.35/444,860.80 = 201,573.34/x
  3. Step 3: Cross multiply
    322,361.35x = 444,860.80 × 201,573.34
  4. Step 4: Simplify right side
    322,361.35x = 89,672,077,291.07
  5. Step 5: Solve for x
    x = 89,672,077,291.07/322,361.35
  6. Step 6: Final answer
    x = 278,172.55

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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.