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Finding the Fourth Proportional to 339,040.39, 467,759.60 and 193,741.78

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Solution

The fourth proportional to 339,040.39, 467,759.60 and 193,741.78 is: 267,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,040.39 : 467,759.60 = 193,741.78 : x
  2. Step 2: Convert to fraction form
    339,040.39/467,759.60 = 193,741.78/x
  3. Step 3: Cross multiply
    339,040.39x = 467,759.60 × 193,741.78
  4. Step 4: Simplify right side
    339,040.39x = 90,624,576,547.38
  5. Step 5: Solve for x
    x = 90,624,576,547.38/339,040.39
  6. Step 6: Final answer
    x = 267,297.29

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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.