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Finding the Fourth Proportional to 339,576.49, 509,611.38 and 273,810.97

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Solution

The fourth proportional to 339,576.49, 509,611.38 and 273,810.97 is: 410,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,576.49 : 509,611.38 = 273,810.97 : x
  2. Step 2: Convert to fraction form
    339,576.49/509,611.38 = 273,810.97/x
  3. Step 3: Cross multiply
    339,576.49x = 509,611.38 × 273,810.97
  4. Step 4: Simplify right side
    339,576.49x = 139,537,186,280.84
  5. Step 5: Solve for x
    x = 139,537,186,280.84/339,576.49
  6. Step 6: Final answer
    x = 410,915.33

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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.