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Finding the Fourth Proportional to 339,464.16, 468,408.51 and 196,196.58

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Solution

The fourth proportional to 339,464.16, 468,408.51 and 196,196.58 is: 270,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,464.16 : 468,408.51 = 196,196.58 : x
  2. Step 2: Convert to fraction form
    339,464.16/468,408.51 = 196,196.58/x
  3. Step 3: Cross multiply
    339,464.16x = 468,408.51 × 196,196.58
  4. Step 4: Simplify right side
    339,464.16x = 91,900,147,704.90
  5. Step 5: Solve for x
    x = 91,900,147,704.90/339,464.16
  6. Step 6: Final answer
    x = 270,721.21

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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.